2099925

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 60

約数和(自身を含む): 4186116

約数和(自身を除く): 2086191

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 61, 75, 81, 85, 135, 153, 183, 225, 255, 305, 405, 425, 459, 549, 675, 765, 915, 1037, 1275, 1377, 1525, 1647, 2025, 2295, 2745, 3111, 3825, 4575, 4941, 5185, 6885, 8235, 9333, 11475, 13725, 15555, 24705, 25925, 27999, 34425, 41175, 46665, 77775, 83997, 123525, 139995, 233325, 419985, 699975, 2099925]

約数ペア:

[(1, 2099925), (3, 699975), (5, 419985), (9, 233325), (15, 139995), (17, 123525), (25, 83997), (27, 77775), (45, 46665), (51, 41175), (61, 34425), (75, 27999), (81, 25925), (85, 24705), (135, 15555), (153, 13725), (183, 11475), (225, 9333), (255, 8235), (305, 6885), (405, 5185), (425, 4941), (459, 4575), (549, 3825), (675, 3111), (765, 2745), (915, 2295), (1037, 2025), (1275, 1647), (1377, 1525)]