391223565

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2621}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 706807296

約数和(自身を除く): 315583731

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 107, 155, 279, 321, 465, 535, 963, 1395, 1605, 2621, 3317, 4815, 7863, 9951, 13105, 16585, 23589, 29853, 39315, 49755, 81251, 117945, 149265, 243753, 280447, 406255, 731259, 841341, 1218765, 1402235, 2524023, 3656295, 4206705, 8693857, 12620115, 26081571, 43469285, 78244713, 130407855, 391223565]

約数ペア:

[(1, 391223565), (3, 130407855), (5, 78244713), (9, 43469285), (15, 26081571), (31, 12620115), (45, 8693857), (93, 4206705), (107, 3656295), (155, 2524023), (279, 1402235), (321, 1218765), (465, 841341), (535, 731259), (963, 406255), (1395, 280447), (1605, 243753), (2621, 149265), (3317, 117945), (4815, 81251), (7863, 49755), (9951, 39315), (13105, 29853), (16585, 23589)]