660984807

素因数分解:

$3^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{23827}}^1$

素因数の和:25158

約数の個数: 16

約数和(自身を含む): 1008019712

約数和(自身を除く): 347034905

約数列:

[1, 3, 7, 21, 1321, 3963, 9247, 23827, 27741, 71481, 166789, 500367, 31475467, 94426401, 220328269, 660984807]

約数ペア:

[(1, 660984807), (3, 220328269), (7, 94426401), (21, 31475467), (1321, 500367), (3963, 166789), (9247, 71481), (23827, 27741)]