28734675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 23261997

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 425, 465, 527, 727, 775, 1275, 1581, 2181, 2325, 2635, 3635, 7905, 10905, 12359, 13175, 18175, 22537, 37077, 39525, 54525, 61795, 67611, 112685, 185385, 308975, 338055, 383129, 563425, 926925, 1149387, 1690275, 1915645, 5746935, 9578225, 28734675]

約数ペア:

[(1, 28734675), (3, 9578225), (5, 5746935), (15, 1915645), (17, 1690275), (25, 1149387), (31, 926925), (51, 563425), (75, 383129), (85, 338055), (93, 308975), (155, 185385), (255, 112685), (425, 67611), (465, 61795), (527, 54525), (727, 39525), (775, 37077), (1275, 22537), (1581, 18175), (2181, 13175), (2325, 12359), (2635, 10905), (3635, 7905)]