80972619

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1657}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 133701120

約数和(自身を除く): 52728501

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 537, 1253, 1657, 2327, 3759, 4971, 6981, 11599, 16289, 21541, 34797, 48867, 64623, 150787, 296603, 452361, 889809, 2076221, 3855839, 6228663, 11567517, 26990873, 80972619]

約数ペア:

[(1, 80972619), (3, 26990873), (7, 11567517), (13, 6228663), (21, 3855839), (39, 2076221), (91, 889809), (179, 452361), (273, 296603), (537, 150787), (1253, 64623), (1657, 48867), (2327, 34797), (3759, 21541), (4971, 16289), (6981, 11599)]