505215

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 892320

約数和(自身を除く): 387105

約数列:

[1, 3, 5, 9, 15, 45, 103, 109, 309, 327, 515, 545, 927, 981, 1545, 1635, 4635, 4905, 11227, 33681, 56135, 101043, 168405, 505215]

約数ペア:

[(1, 505215), (3, 168405), (5, 101043), (9, 56135), (15, 33681), (45, 11227), (103, 4905), (109, 4635), (309, 1635), (327, 1545), (515, 981), (545, 927)]