385402005

素因数分解:

$3^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{4019}}^1$

素因数の和:6161

約数の個数: 24

約数和(自身を含む): 668509920

約数和(自身を除く): 283107915

約数列:

[1, 3, 5, 9, 15, 45, 2131, 4019, 6393, 10655, 12057, 19179, 20095, 31965, 36171, 60285, 95895, 180855, 8564489, 25693467, 42822445, 77080401, 128467335, 385402005]

約数ペア:

[(1, 385402005), (3, 128467335), (5, 77080401), (9, 42822445), (15, 25693467), (45, 8564489), (2131, 180855), (4019, 95895), (6393, 60285), (10655, 36171), (12057, 31965), (19179, 20095)]