71856915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11887}}^1$

素因数の和:11939

約数の個数: 32

約数和(自身を含む): 127819776

約数和(自身を除く): 55962861

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 6045, 11887, 35661, 59435, 154531, 178305, 368497, 463593, 772655, 1105491, 1842485, 2317965, 4790461, 5527455, 14371383, 23952305, 71856915]

約数ペア:

[(1, 71856915), (3, 23952305), (5, 14371383), (13, 5527455), (15, 4790461), (31, 2317965), (39, 1842485), (65, 1105491), (93, 772655), (155, 463593), (195, 368497), (403, 178305), (465, 154531), (1209, 59435), (2015, 35661), (6045, 11887)]