153628025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 197987328

約数和(自身を除く): 44359303

約数列:

[1, 5, 25, 41, 71, 205, 355, 1025, 1775, 2111, 2911, 10555, 14555, 52775, 72775, 86551, 149881, 432755, 749405, 2163775, 3747025, 6145121, 30725605, 153628025]

約数ペア:

[(1, 153628025), (5, 30725605), (25, 6145121), (41, 3747025), (71, 2163775), (205, 749405), (355, 432755), (1025, 149881), (1775, 86551), (2111, 72775), (2911, 52775), (10555, 14555)]