256123035

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{813089}}^1$

素因数の和:813107

約数の個数: 24

約数和(自身を含む): 507368160

約数和(自身を除く): 251245125

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 813089, 2439267, 4065445, 5691623, 7317801, 12196335, 17074869, 28458115, 36589005, 51224607, 85374345, 256123035]

約数ペア:

[(1, 256123035), (3, 85374345), (5, 51224607), (7, 36589005), (9, 28458115), (15, 17074869), (21, 12196335), (35, 7317801), (45, 5691623), (63, 4065445), (105, 2439267), (315, 813089)]