8871621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 13547520

約数和(自身を除く): 4675899

約数列:

[1, 3, 11, 33, 41, 79, 83, 123, 237, 249, 451, 869, 913, 1353, 2607, 2739, 3239, 3403, 6557, 9717, 10209, 19671, 35629, 37433, 72127, 106887, 112299, 216381, 268837, 806511, 2957207, 8871621]

約数ペア:

[(1, 8871621), (3, 2957207), (11, 806511), (33, 268837), (41, 216381), (79, 112299), (83, 106887), (123, 72127), (237, 37433), (249, 35629), (451, 19671), (869, 10209), (913, 9717), (1353, 6557), (2607, 3403), (2739, 3239)]