31838079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8971}}^1$

素因数の和:9007

約数の個数: 24

約数和(自身を含む): 52540032

約数和(自身を除く): 20701953

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 8971, 26913, 62797, 116623, 188391, 349869, 816361, 1516099, 2449083, 4548297, 10612693, 31838079]

約数ペア:

[(1, 31838079), (3, 10612693), (7, 4548297), (13, 2449083), (21, 1516099), (39, 816361), (91, 349869), (169, 188391), (273, 116623), (507, 62797), (1183, 26913), (3549, 8971)]