1331606913

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1861}}^1\times {\mathrm{2621}}^1$

素因数の和:4505

約数の個数: 32

約数和(自身を含む): 2187209472

約数和(自身を除く): 855602559

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1861, 2621, 5583, 7863, 13027, 18347, 24193, 34073, 39081, 55041, 72579, 102219, 169351, 238511, 508053, 715533, 4877681, 14633043, 34143767, 63409853, 102431301, 190229559, 443868971, 1331606913]

約数ペア:

[(1, 1331606913), (3, 443868971), (7, 190229559), (13, 102431301), (21, 63409853), (39, 34143767), (91, 14633043), (273, 4877681), (1861, 715533), (2621, 508053), (5583, 238511), (7863, 169351), (13027, 102219), (18347, 72579), (24193, 55041), (34073, 39081)]