40904409

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 67495680

約数和(自身を除く): 26591271

約数列:

[1, 3, 7, 13, 21, 39, 91, 269, 273, 557, 807, 1671, 1883, 3497, 3899, 5649, 7241, 10491, 11697, 21723, 24479, 50687, 73437, 149833, 152061, 449499, 1048831, 1947829, 3146493, 5843487, 13634803, 40904409]

約数ペア:

[(1, 40904409), (3, 13634803), (7, 5843487), (13, 3146493), (21, 1947829), (39, 1048831), (91, 449499), (269, 152061), (273, 149833), (557, 73437), (807, 50687), (1671, 24479), (1883, 21723), (3497, 11697), (3899, 10491), (5649, 7241)]