161560959

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 251157504

約数和(自身を除く): 89596545

約数列:

[1, 3, 7, 21, 103, 113, 309, 339, 661, 721, 791, 1983, 2163, 2373, 4627, 11639, 13881, 34917, 68083, 74693, 81473, 204249, 224079, 244419, 476581, 522851, 1429743, 1568553, 7693379, 23080137, 53853653, 161560959]

約数ペア:

[(1, 161560959), (3, 53853653), (7, 23080137), (21, 7693379), (103, 1568553), (113, 1429743), (309, 522851), (339, 476581), (661, 244419), (721, 224079), (791, 204249), (1983, 81473), (2163, 74693), (2373, 68083), (4627, 34917), (11639, 13881)]