81313725

素因数分解:

$3^1\times 5^2\times {\mathrm{577}}^1\times {\mathrm{1879}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 134743360

約数和(自身を除く): 53429635

約数列:

[1, 3, 5, 15, 25, 75, 577, 1731, 1879, 2885, 5637, 8655, 9395, 14425, 28185, 43275, 46975, 140925, 1084183, 3252549, 5420915, 16262745, 27104575, 81313725]

約数ペア:

[(1, 81313725), (3, 27104575), (5, 16262745), (15, 5420915), (25, 3252549), (75, 1084183), (577, 140925), (1731, 46975), (1879, 43275), (2885, 28185), (5637, 14425), (8655, 9395)]