201728475

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 411709760

約数和(自身を除く): 209981285

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 79, 81, 97, 117, 135, 195, 225, 237, 291, 325, 351, 395, 405, 485, 585, 675, 711, 873, 975, 1027, 1053, 1185, 1261, 1455, 1755, 1975, 2025, 2133, 2425, 2619, 2925, 3081, 3555, 3783, 4365, 5135, 5265, 5925, 6305, 6399, 7275, 7663, 7857, 8775, 9243, 10665, 11349, 13095, 15405, 17775, 18915, 21825, 22989, 25675, 26325, 27729, 31525, 31995, 34047, 38315, 39285, 46215, 53325, 56745, 65475, 68967, 77025, 83187, 94575, 99619, 102141, 114945, 138645, 159975, 170235, 191575, 196425, 206901, 231075, 283725, 298857, 344835, 415935, 498095, 510705, 574725, 620703, 693225, 851175, 896571, 1034505, 1494285, 1724175, 2079675, 2490475, 2553525, 2689713, 3103515, 4482855, 5172525, 7471425, 8069139, 13448565, 15517575, 22414275, 40345695, 67242825, 201728475]

約数ペア:

[(1, 201728475), (3, 67242825), (5, 40345695), (9, 22414275), (13, 15517575), (15, 13448565), (25, 8069139), (27, 7471425), (39, 5172525), (45, 4482855), (65, 3103515), (75, 2689713), (79, 2553525), (81, 2490475), (97, 2079675), (117, 1724175), (135, 1494285), (195, 1034505), (225, 896571), (237, 851175), (291, 693225), (325, 620703), (351, 574725), (395, 510705), (405, 498095), (485, 415935), (585, 344835), (675, 298857), (711, 283725), (873, 231075), (975, 206901), (1027, 196425), (1053, 191575), (1185, 170235), (1261, 159975), (1455, 138645), (1755, 114945), (1975, 102141), (2025, 99619), (2133, 94575), (2425, 83187), (2619, 77025), (2925, 68967), (3081, 65475), (3555, 56745), (3783, 53325), (4365, 46215), (5135, 39285), (5265, 38315), (5925, 34047), (6305, 31995), (6399, 31525), (7275, 27729), (7663, 26325), (7857, 25675), (8775, 22989), (9243, 21825), (10665, 18915), (11349, 17775), (13095, 15405)]