1477886781

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{22013}}^1$

素因数の和:22185

約数の個数: 32

約数和(自身を含む): 2366945280

約数和(自身を除く): 889058499

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 417, 483, 973, 2919, 3197, 9591, 22013, 22379, 66039, 67137, 154091, 462273, 506299, 1518897, 3059807, 3544093, 9179421, 10632279, 21418649, 64255947, 70375561, 211126683, 492628927, 1477886781]

約数ペア:

[(1, 1477886781), (3, 492628927), (7, 211126683), (21, 70375561), (23, 64255947), (69, 21418649), (139, 10632279), (161, 9179421), (417, 3544093), (483, 3059807), (973, 1518897), (2919, 506299), (3197, 462273), (9591, 154091), (22013, 67137), (22379, 66039)]