728278425

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 1579273920

約数和(自身を除く): 850995495

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 97, 105, 135, 147, 175, 189, 225, 227, 245, 291, 315, 441, 485, 525, 675, 679, 681, 735, 873, 945, 1135, 1225, 1323, 1455, 1575, 1589, 2037, 2043, 2205, 2425, 2619, 3395, 3405, 3675, 4365, 4725, 4753, 4767, 5675, 6111, 6129, 6615, 7275, 7945, 10185, 10215, 11025, 11123, 13095, 14259, 14301, 16975, 17025, 18333, 21825, 22019, 23765, 23835, 30555, 30645, 33075, 33369, 39725, 42777, 42903, 50925, 51075, 55615, 65475, 66057, 71295, 71505, 91665, 100107, 110095, 118825, 119175, 128331, 152775, 153225, 154133, 166845, 198171, 213885, 214515, 278075, 300321, 330285, 356475, 357525, 458325, 462399, 500535, 550475, 594513, 641655, 770665, 834225, 990855, 1069425, 1072575, 1078931, 1387197, 1501605, 1651425, 2311995, 2502675, 2972565, 3208275, 3236793, 3853325, 4161591, 4954275, 5394655, 6935985, 7508025, 9710379, 11559975, 14862825, 16183965, 20807955, 26973275, 29131137, 34679925, 48551895, 80919825, 104039775, 145655685, 242759475, 728278425]

約数ペア:

[(1, 728278425), (3, 242759475), (5, 145655685), (7, 104039775), (9, 80919825), (15, 48551895), (21, 34679925), (25, 29131137), (27, 26973275), (35, 20807955), (45, 16183965), (49, 14862825), (63, 11559975), (75, 9710379), (97, 7508025), (105, 6935985), (135, 5394655), (147, 4954275), (175, 4161591), (189, 3853325), (225, 3236793), (227, 3208275), (245, 2972565), (291, 2502675), (315, 2311995), (441, 1651425), (485, 1501605), (525, 1387197), (675, 1078931), (679, 1072575), (681, 1069425), (735, 990855), (873, 834225), (945, 770665), (1135, 641655), (1225, 594513), (1323, 550475), (1455, 500535), (1575, 462399), (1589, 458325), (2037, 357525), (2043, 356475), (2205, 330285), (2425, 300321), (2619, 278075), (3395, 214515), (3405, 213885), (3675, 198171), (4365, 166845), (4725, 154133), (4753, 153225), (4767, 152775), (5675, 128331), (6111, 119175), (6129, 118825), (6615, 110095), (7275, 100107), (7945, 91665), (10185, 71505), (10215, 71295), (11025, 66057), (11123, 65475), (13095, 55615), (14259, 51075), (14301, 50925), (16975, 42903), (17025, 42777), (18333, 39725), (21825, 33369), (22019, 33075), (23765, 30645), (23835, 30555)]