31409625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 28344615

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 379, 425, 663, 975, 1105, 1137, 1275, 1625, 1895, 2125, 3315, 4875, 4927, 5525, 5685, 6375, 6443, 9475, 14781, 16575, 19329, 24635, 27625, 28425, 32215, 47375, 73905, 82875, 83759, 96645, 123175, 142125, 161075, 251277, 369525, 418795, 483225, 615875, 805375, 1256385, 1847625, 2093975, 2416125, 6281925, 10469875, 31409625]

約数ペア:

[(1, 31409625), (3, 10469875), (5, 6281925), (13, 2416125), (15, 2093975), (17, 1847625), (25, 1256385), (39, 805375), (51, 615875), (65, 483225), (75, 418795), (85, 369525), (125, 251277), (195, 161075), (221, 142125), (255, 123175), (325, 96645), (375, 83759), (379, 82875), (425, 73905), (663, 47375), (975, 32215), (1105, 28425), (1137, 27625), (1275, 24635), (1625, 19329), (1895, 16575), (2125, 14781), (3315, 9475), (4875, 6443), (4927, 6375), (5525, 5685)]