398702985

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{3313}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 652831488

約数和(自身を除く): 254128503

約数列:

[1, 3, 5, 15, 71, 113, 213, 339, 355, 565, 1065, 1695, 3313, 8023, 9939, 16565, 24069, 40115, 49695, 120345, 235223, 374369, 705669, 1123107, 1176115, 1871845, 3528345, 5615535, 26580199, 79740597, 132900995, 398702985]

約数ペア:

[(1, 398702985), (3, 132900995), (5, 79740597), (15, 26580199), (71, 5615535), (113, 3528345), (213, 1871845), (339, 1176115), (355, 1123107), (565, 705669), (1065, 374369), (1695, 235223), (3313, 120345), (8023, 49695), (9939, 40115), (16565, 24069)]