420978597

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 617164800

約数和(自身を除く): 196186203

約数列:

[1, 3, 13, 39, 79, 139, 237, 417, 983, 1027, 1807, 2949, 3081, 5421, 10981, 12779, 32943, 38337, 77657, 136637, 142753, 232971, 409911, 428259, 1009541, 1776281, 3028623, 5328843, 10794323, 32382969, 140326199, 420978597]

約数ペア:

[(1, 420978597), (3, 140326199), (13, 32382969), (39, 10794323), (79, 5328843), (139, 3028623), (237, 1776281), (417, 1009541), (983, 428259), (1027, 409911), (1807, 232971), (2949, 142753), (3081, 136637), (5421, 77657), (10981, 38337), (12779, 32943)]