1861875

素因数分解:

$3^2\times 5^4\times {\mathrm{331}}^1$

素因数の和:357

約数の個数: 30

約数和(自身を含む): 3370796

約数和(自身を除く): 1508921

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 331, 375, 625, 993, 1125, 1655, 1875, 2979, 4965, 5625, 8275, 14895, 24825, 41375, 74475, 124125, 206875, 372375, 620625, 1861875]

約数ペア:

[(1, 1861875), (3, 620625), (5, 372375), (9, 206875), (15, 124125), (25, 74475), (45, 41375), (75, 24825), (125, 14895), (225, 8275), (331, 5625), (375, 4965), (625, 2979), (993, 1875), (1125, 1655)]