56619405

素因数分解:

$3^4\times 5^1\times {\mathrm{139801}}^1$

素因数の和:139818

約数の個数: 20

約数和(自身を含む): 101496252

約数和(自身を除く): 44876847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 139801, 419403, 699005, 1258209, 2097015, 3774627, 6291045, 11323881, 18873135, 56619405]

約数ペア:

[(1, 56619405), (3, 18873135), (5, 11323881), (9, 6291045), (15, 3774627), (27, 2097015), (45, 1258209), (81, 699005), (135, 419403), (405, 139801)]