7627977

素因数分解:

$3^2\times 7^4\times {\mathrm{353}}^1$

素因数の和:387

約数の個数: 30

約数和(自身を含む): 12890202

約数和(自身を除く): 5262225

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 353, 441, 1029, 1059, 2401, 2471, 3087, 3177, 7203, 7413, 17297, 21609, 22239, 51891, 121079, 155673, 363237, 847553, 1089711, 2542659, 7627977]

約数ペア:

[(1, 7627977), (3, 2542659), (7, 1089711), (9, 847553), (21, 363237), (49, 155673), (63, 121079), (147, 51891), (343, 22239), (353, 21609), (441, 17297), (1029, 7413), (1059, 7203), (2401, 3177), (2471, 3087)]