31787625

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 56908800

約数和(自身を除く): 25121175

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 79, 87, 111, 125, 145, 185, 237, 375, 395, 435, 555, 725, 925, 1073, 1185, 1975, 2175, 2291, 2775, 2923, 3219, 3625, 4625, 5365, 5925, 6873, 8769, 9875, 10875, 11455, 13875, 14615, 16095, 26825, 29625, 34365, 43845, 57275, 73075, 80475, 84767, 134125, 171825, 219225, 254301, 286375, 365375, 402375, 423835, 859125, 1096125, 1271505, 2119175, 6357525, 10595875, 31787625]

約数ペア:

[(1, 31787625), (3, 10595875), (5, 6357525), (15, 2119175), (25, 1271505), (29, 1096125), (37, 859125), (75, 423835), (79, 402375), (87, 365375), (111, 286375), (125, 254301), (145, 219225), (185, 171825), (237, 134125), (375, 84767), (395, 80475), (435, 73075), (555, 57275), (725, 43845), (925, 34365), (1073, 29625), (1185, 26825), (1975, 16095), (2175, 14615), (2291, 13875), (2775, 11455), (2923, 10875), (3219, 9875), (3625, 8769), (4625, 6873), (5365, 5925)]