7131891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 11225088

約数和(自身を除く): 4093197

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 347, 403, 527, 663, 1041, 1209, 1581, 4511, 5899, 6851, 10757, 13533, 17697, 20553, 32271, 76687, 139841, 182869, 230061, 419523, 548607, 2377297, 7131891]

約数ペア:

[(1, 7131891), (3, 2377297), (13, 548607), (17, 419523), (31, 230061), (39, 182869), (51, 139841), (93, 76687), (221, 32271), (347, 20553), (403, 17697), (527, 13533), (663, 10757), (1041, 6851), (1209, 5899), (1581, 4511)]