1330400421

素因数分解:

$3^2\times 7^2\times {\mathrm{3016781}}^1$

素因数の和:3016801

約数の個数: 18

約数和(自身を含む): 2235435462

約数和(自身を除く): 905035041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 3016781, 9050343, 21117467, 27151029, 63352401, 147822269, 190057203, 443466807, 1330400421]

約数ペア:

[(1, 1330400421), (3, 443466807), (7, 190057203), (9, 147822269), (21, 63352401), (49, 27151029), (63, 21117467), (147, 9050343), (441, 3016781)]