28348125

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1163}}^1$

素因数の和:1199

約数の個数: 40

約数和(自身を含む): 50908704

約数和(自身を除く): 22560579

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1163, 1625, 1875, 3489, 4875, 5815, 8125, 15119, 17445, 24375, 29075, 45357, 75595, 87225, 145375, 226785, 377975, 436125, 726875, 1133925, 1889875, 2180625, 5669625, 9449375, 28348125]

約数ペア:

[(1, 28348125), (3, 9449375), (5, 5669625), (13, 2180625), (15, 1889875), (25, 1133925), (39, 726875), (65, 436125), (75, 377975), (125, 226785), (195, 145375), (325, 87225), (375, 75595), (625, 45357), (975, 29075), (1163, 24375), (1625, 17445), (1875, 15119), (3489, 8125), (4875, 5815)]