121531305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4271}}^1$

素因数の和:4557

約数の個数: 32

約数和(自身を含む): 223100928

約数和(自身を除く): 101569623

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 271, 813, 1355, 1897, 4065, 4271, 5691, 9485, 12813, 21355, 28455, 29897, 64065, 89691, 149485, 448455, 1157441, 3472323, 5787205, 8102087, 17361615, 24306261, 40510435, 121531305]

約数ペア:

[(1, 121531305), (3, 40510435), (5, 24306261), (7, 17361615), (15, 8102087), (21, 5787205), (35, 3472323), (105, 1157441), (271, 448455), (813, 149485), (1355, 89691), (1897, 64065), (4065, 29897), (4271, 28455), (5691, 21355), (9485, 12813)]