74871381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 114688000

約数和(自身を除く): 39816619

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1279, 1501, 3081, 3837, 4503, 16627, 19513, 24301, 49881, 58539, 72903, 101041, 303123, 315913, 947739, 1313533, 1919779, 3940599, 5759337, 24957127, 74871381]

約数ペア:

[(1, 74871381), (3, 24957127), (13, 5759337), (19, 3940599), (39, 1919779), (57, 1313533), (79, 947739), (237, 315913), (247, 303123), (741, 101041), (1027, 72903), (1279, 58539), (1501, 49881), (3081, 24301), (3837, 19513), (4503, 16627)]