64621305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{757}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 128653824

約数和(自身を除く): 64032519

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 271, 315, 757, 813, 1355, 1897, 2271, 2439, 3785, 4065, 5299, 5691, 6813, 9485, 11355, 12195, 15897, 17073, 26495, 28455, 34065, 47691, 79485, 85365, 205147, 238455, 615441, 1025735, 1436029, 1846323, 3077205, 4308087, 7180145, 9231615, 12924261, 21540435, 64621305]

約数ペア:

[(1, 64621305), (3, 21540435), (5, 12924261), (7, 9231615), (9, 7180145), (15, 4308087), (21, 3077205), (35, 1846323), (45, 1436029), (63, 1025735), (105, 615441), (271, 238455), (315, 205147), (757, 85365), (813, 79485), (1355, 47691), (1897, 34065), (2271, 28455), (2439, 26495), (3785, 17073), (4065, 15897), (5299, 12195), (5691, 11355), (6813, 9485)]