1639125

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 48

約数和(自身を含む): 3115008

約数和(自身を除く): 1475883

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 47, 75, 93, 125, 141, 155, 225, 235, 279, 375, 423, 465, 705, 775, 1125, 1175, 1395, 1457, 2115, 2325, 3525, 3875, 4371, 5875, 6975, 7285, 10575, 11625, 13113, 17625, 21855, 34875, 36425, 52875, 65565, 109275, 182125, 327825, 546375, 1639125]

約数ペア:

[(1, 1639125), (3, 546375), (5, 327825), (9, 182125), (15, 109275), (25, 65565), (31, 52875), (45, 36425), (47, 34875), (75, 21855), (93, 17625), (125, 13113), (141, 11625), (155, 10575), (225, 7285), (235, 6975), (279, 5875), (375, 4371), (423, 3875), (465, 3525), (705, 2325), (775, 2115), (1125, 1457), (1175, 1395)]