31126875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 55894608

約数和(自身を除く): 24767733

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1277, 1625, 1875, 3831, 4875, 6385, 8125, 16601, 19155, 24375, 31925, 49803, 83005, 95775, 159625, 249015, 415025, 478875, 798125, 1245075, 2075125, 2394375, 6225375, 10375625, 31126875]

約数ペア:

[(1, 31126875), (3, 10375625), (5, 6225375), (13, 2394375), (15, 2075125), (25, 1245075), (39, 798125), (65, 478875), (75, 415025), (125, 249015), (195, 159625), (325, 95775), (375, 83005), (625, 49803), (975, 31925), (1277, 24375), (1625, 19155), (1875, 16601), (3831, 8125), (4875, 6385)]