71320851

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19861}}^1$

素因数の和:19896

約数の個数: 32

約数和(自身を含む): 127116800

約数和(自身を除く): 55795949

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 19861, 59583, 139027, 178749, 377359, 417081, 536247, 1132077, 1251243, 2641513, 3396231, 3753729, 7924539, 10188693, 23773617, 71320851]

約数ペア:

[(1, 71320851), (3, 23773617), (7, 10188693), (9, 7924539), (19, 3753729), (21, 3396231), (27, 2641513), (57, 1251243), (63, 1132077), (133, 536247), (171, 417081), (189, 377359), (399, 178749), (513, 139027), (1197, 59583), (3591, 19861)]