31100325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 23062875

約数列:

[1, 3, 5, 15, 25, 29, 75, 79, 87, 145, 181, 237, 395, 435, 543, 725, 905, 1185, 1975, 2175, 2291, 2715, 4525, 5249, 5925, 6873, 11455, 13575, 14299, 15747, 26245, 34365, 42897, 57275, 71495, 78735, 131225, 171825, 214485, 357475, 393675, 414671, 1072425, 1244013, 2073355, 6220065, 10366775, 31100325]

約数ペア:

[(1, 31100325), (3, 10366775), (5, 6220065), (15, 2073355), (25, 1244013), (29, 1072425), (75, 414671), (79, 393675), (87, 357475), (145, 214485), (181, 171825), (237, 131225), (395, 78735), (435, 71495), (543, 57275), (725, 42897), (905, 34365), (1185, 26245), (1975, 15747), (2175, 14299), (2291, 13575), (2715, 11455), (4525, 6873), (5249, 5925)]