56351421

素因数分解:

$3^2\times 7^2\times {\mathrm{127781}}^1$

素因数の和:127801

約数の個数: 18

約数和(自身を含む): 94686462

約数和(自身を除く): 38335041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 127781, 383343, 894467, 1150029, 2683401, 6261269, 8050203, 18783807, 56351421]

約数ペア:

[(1, 56351421), (3, 18783807), (7, 8050203), (9, 6261269), (21, 2683401), (49, 1150029), (63, 894467), (147, 383343), (441, 127781)]