31180485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 57427200

約数和(自身を除く): 26246715

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1993, 2235, 3129, 5215, 5979, 9965, 13951, 15645, 29895, 41853, 69755, 209265, 296957, 890871, 1484785, 2078699, 4454355, 6236097, 10393495, 31180485]

約数ペア:

[(1, 31180485), (3, 10393495), (5, 6236097), (7, 4454355), (15, 2078699), (21, 1484785), (35, 890871), (105, 296957), (149, 209265), (447, 69755), (745, 41853), (1043, 29895), (1993, 15645), (2235, 13951), (3129, 9965), (5215, 5979)]