129780405

素因数分解:

$3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{3967}}^1$

素因数の和:4705

約数の個数: 24

約数和(自身を含む): 225318912

約数和(自身を除く): 95538507

約数列:

[1, 3, 5, 9, 15, 45, 727, 2181, 3635, 3967, 6543, 10905, 11901, 19835, 32715, 35703, 59505, 178515, 2884009, 8652027, 14420045, 25956081, 43260135, 129780405]

約数ペア:

[(1, 129780405), (3, 43260135), (5, 25956081), (9, 14420045), (15, 8652027), (45, 2884009), (727, 178515), (2181, 59505), (3635, 35703), (3967, 32715), (6543, 19835), (10905, 11901)]