81669021

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{479}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 130498560

約数和(自身を除く): 48829539

約数列:

[1, 3, 7, 21, 23, 69, 161, 353, 479, 483, 1059, 1437, 2471, 3353, 7413, 8119, 10059, 11017, 24357, 33051, 56833, 77119, 169087, 170499, 231357, 507261, 1183609, 3550827, 3889001, 11667003, 27223007, 81669021]

約数ペア:

[(1, 81669021), (3, 27223007), (7, 11667003), (21, 3889001), (23, 3550827), (69, 1183609), (161, 507261), (353, 231357), (479, 170499), (483, 169087), (1059, 77119), (1437, 56833), (2471, 33051), (3353, 24357), (7413, 11017), (8119, 10059)]