56640303

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{18899}}^1$

素因数の和:18948

約数の個数: 20

約数和(自身を含む): 86902200

約数和(自身を除く): 30261897

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 18899, 56697, 170091, 510273, 699263, 1530819, 2097789, 6293367, 18880101, 56640303]

約数ペア:

[(1, 56640303), (3, 18880101), (9, 6293367), (27, 2097789), (37, 1530819), (81, 699263), (111, 510273), (333, 170091), (999, 56697), (2997, 18899)]