51233715

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 101965248

約数和(自身を除く): 50731533

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 81, 111, 117, 135, 185, 195, 263, 333, 351, 405, 481, 555, 585, 789, 999, 1053, 1315, 1443, 1665, 1755, 2367, 2405, 2997, 3419, 3945, 4329, 4995, 5265, 7101, 7215, 9731, 10257, 11835, 12987, 14985, 17095, 21303, 21645, 29193, 30771, 35505, 38961, 48655, 51285, 64935, 87579, 92313, 106515, 126503, 145965, 153855, 194805, 262737, 276939, 379509, 437895, 461565, 632515, 788211, 1138527, 1313685, 1384695, 1897545, 3415581, 3941055, 5692635, 10246743, 17077905, 51233715]

約数ペア:

[(1, 51233715), (3, 17077905), (5, 10246743), (9, 5692635), (13, 3941055), (15, 3415581), (27, 1897545), (37, 1384695), (39, 1313685), (45, 1138527), (65, 788211), (81, 632515), (111, 461565), (117, 437895), (135, 379509), (185, 276939), (195, 262737), (263, 194805), (333, 153855), (351, 145965), (405, 126503), (481, 106515), (555, 92313), (585, 87579), (789, 64935), (999, 51285), (1053, 48655), (1315, 38961), (1443, 35505), (1665, 30771), (1755, 29193), (2367, 21645), (2405, 21303), (2997, 17095), (3419, 14985), (3945, 12987), (4329, 11835), (4995, 10257), (5265, 9731), (7101, 7215)]