407555145

素因数分解:

$3^4\times 5^1\times {\mathrm{1006309}}^1$

素因数の和:1006326

約数の個数: 20

約数和(自身を含む): 730581060

約数和(自身を除く): 323025915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1006309, 3018927, 5031545, 9056781, 15094635, 27170343, 45283905, 81511029, 135851715, 407555145]

約数ペア:

[(1, 407555145), (3, 135851715), (5, 81511029), (9, 45283905), (15, 27170343), (27, 15094635), (45, 9056781), (81, 5031545), (135, 3018927), (405, 1006309)]