31372575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 58329600

約数和(自身を除く): 26957025

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1399, 1495, 1725, 4197, 4485, 6995, 7475, 18187, 20985, 22425, 32177, 34975, 54561, 90935, 96531, 104925, 160885, 272805, 418301, 454675, 482655, 804425, 1254903, 1364025, 2091505, 2413275, 6274515, 10457525, 31372575]

約数ペア:

[(1, 31372575), (3, 10457525), (5, 6274515), (13, 2413275), (15, 2091505), (23, 1364025), (25, 1254903), (39, 804425), (65, 482655), (69, 454675), (75, 418301), (115, 272805), (195, 160885), (299, 104925), (325, 96531), (345, 90935), (575, 54561), (897, 34975), (975, 32177), (1399, 22425), (1495, 20985), (1725, 18187), (4197, 7475), (4485, 6995)]