40312251

素因数分解:

$3^2\times 7^2\times {\mathrm{91411}}^1$

素因数の和:91431

約数の個数: 18

約数和(自身を含む): 67736292

約数和(自身を除く): 27424041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 91411, 274233, 639877, 822699, 1919631, 4479139, 5758893, 13437417, 40312251]

約数ペア:

[(1, 40312251), (3, 13437417), (7, 5758893), (9, 4479139), (21, 1919631), (49, 822699), (63, 639877), (147, 274233), (441, 91411)]