1806403125

素因数分解:

$3^1\times 5^5\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4552

約数の個数: 48

約数和(自身を含む): 3081177792

約数和(自身を除く): 1274774667

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 645, 1075, 1875, 3125, 3225, 4481, 5375, 9375, 13443, 16125, 22405, 26875, 67215, 80625, 112025, 134375, 192683, 336075, 403125, 560125, 578049, 963415, 1680375, 2800625, 2890245, 4817075, 8401875, 14003125, 14451225, 24085375, 42009375, 72256125, 120426875, 361280625, 602134375, 1806403125]

約数ペア:

[(1, 1806403125), (3, 602134375), (5, 361280625), (15, 120426875), (25, 72256125), (43, 42009375), (75, 24085375), (125, 14451225), (129, 14003125), (215, 8401875), (375, 4817075), (625, 2890245), (645, 2800625), (1075, 1680375), (1875, 963415), (3125, 578049), (3225, 560125), (4481, 403125), (5375, 336075), (9375, 192683), (13443, 134375), (16125, 112025), (22405, 80625), (26875, 67215)]