668555331

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2003}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 955250688

約数和(自身を除く): 286695357

約数列:

[1, 3, 31, 37, 93, 97, 111, 291, 1147, 2003, 3007, 3441, 3589, 6009, 9021, 10767, 62093, 74111, 111259, 186279, 194291, 222333, 333777, 582873, 2297441, 6023021, 6892323, 7188767, 18069063, 21566301, 222851777, 668555331]

約数ペア:

[(1, 668555331), (3, 222851777), (31, 21566301), (37, 18069063), (93, 7188767), (97, 6892323), (111, 6023021), (291, 2297441), (1147, 582873), (2003, 333777), (3007, 222333), (3441, 194291), (3589, 186279), (6009, 111259), (9021, 74111), (10767, 62093)]