9916875

素因数分解:

$3^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 60

約数和(自身を含む): 18762744

約数和(自身を除く): 8845869

約数列:

[1, 3, 5, 9, 15, 25, 41, 43, 45, 75, 123, 125, 129, 205, 215, 225, 369, 375, 387, 615, 625, 645, 1025, 1075, 1125, 1763, 1845, 1875, 1935, 3075, 3225, 5125, 5289, 5375, 5625, 8815, 9225, 9675, 15375, 15867, 16125, 25625, 26445, 26875, 44075, 46125, 48375, 76875, 79335, 80625, 132225, 220375, 230625, 241875, 396675, 661125, 1101875, 1983375, 3305625, 9916875]

約数ペア:

[(1, 9916875), (3, 3305625), (5, 1983375), (9, 1101875), (15, 661125), (25, 396675), (41, 241875), (43, 230625), (45, 220375), (75, 132225), (123, 80625), (125, 79335), (129, 76875), (205, 48375), (215, 46125), (225, 44075), (369, 26875), (375, 26445), (387, 25625), (615, 16125), (625, 15867), (645, 15375), (1025, 9675), (1075, 9225), (1125, 8815), (1763, 5625), (1845, 5375), (1875, 5289), (1935, 5125), (3075, 3225)]