81354749

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1951}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 101472768

約数和(自身を除く): 20118019

約数列:

[1, 7, 23, 37, 49, 161, 259, 851, 1127, 1813, 1951, 5957, 13657, 41699, 44873, 72187, 95599, 314111, 505309, 1660301, 2198777, 3537163, 11622107, 81354749]

約数ペア:

[(1, 81354749), (7, 11622107), (23, 3537163), (37, 2198777), (49, 1660301), (161, 505309), (259, 314111), (851, 95599), (1127, 72187), (1813, 44873), (1951, 41699), (5957, 13657)]