2127375

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 4023552

約数和(自身を除く): 1896177

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 61, 75, 93, 125, 155, 183, 225, 279, 305, 375, 465, 549, 775, 915, 1125, 1395, 1525, 1891, 2325, 2745, 3875, 4575, 5673, 6975, 7625, 9455, 11625, 13725, 17019, 22875, 28365, 34875, 47275, 68625, 85095, 141825, 236375, 425475, 709125, 2127375]

約数ペア:

[(1, 2127375), (3, 709125), (5, 425475), (9, 236375), (15, 141825), (25, 85095), (31, 68625), (45, 47275), (61, 34875), (75, 28365), (93, 22875), (125, 17019), (155, 13725), (183, 11625), (225, 9455), (279, 7625), (305, 6975), (375, 5673), (465, 4575), (549, 3875), (775, 2745), (915, 2325), (1125, 1891), (1395, 1525)]