31328395

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 44372448

約数和(自身を除く): 13044053

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 1801, 2485, 3479, 9005, 12607, 17395, 63035, 88249, 127871, 441245, 639355, 895097, 4475485, 6265679, 31328395]

約数ペア:

[(1, 31328395), (5, 6265679), (7, 4475485), (35, 895097), (49, 639355), (71, 441245), (245, 127871), (355, 88249), (497, 63035), (1801, 17395), (2485, 12607), (3479, 9005)]