1996875

素因数分解:

$3^2\times 5^5\times {\mathrm{71}}^1$

素因数の和:102

約数の個数: 36

約数和(自身を含む): 3656016

約数和(自身を除く): 1659141

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 355, 375, 625, 639, 1065, 1125, 1775, 1875, 3125, 3195, 5325, 5625, 8875, 9375, 15975, 26625, 28125, 44375, 79875, 133125, 221875, 399375, 665625, 1996875]

約数ペア:

[(1, 1996875), (3, 665625), (5, 399375), (9, 221875), (15, 133125), (25, 79875), (45, 44375), (71, 28125), (75, 26625), (125, 15975), (213, 9375), (225, 8875), (355, 5625), (375, 5325), (625, 3195), (639, 3125), (1065, 1875), (1125, 1775)]