161700721

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2579}}^1$

素因数の和:2665

約数の個数: 24

約数和(自身を含む): 203964480

約数和(自身を除く): 42263759

約数列:

[1, 7, 13, 53, 91, 169, 371, 689, 1183, 2579, 4823, 8957, 18053, 33527, 62699, 136687, 234689, 435851, 956809, 1776931, 3050957, 12438517, 23100103, 161700721]

約数ペア:

[(1, 161700721), (7, 23100103), (13, 12438517), (53, 3050957), (91, 1776931), (169, 956809), (371, 435851), (689, 234689), (1183, 136687), (2579, 62699), (4823, 33527), (8957, 18053)]