81277203

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{43487}}^1$

素因数の和:43586

約数の個数: 16

約数和(自身を含む): 125245440

約数和(自身を除く): 43968237

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 43487, 130461, 304409, 913227, 3870343, 11611029, 27092401, 81277203]

約数ペア:

[(1, 81277203), (3, 27092401), (7, 11611029), (21, 3870343), (89, 913227), (267, 304409), (623, 130461), (1869, 43487)]