81393804

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{38321}}^1$

素因数の和:38390

約数の個数: 36

約数和(自身を含む): 209238120

約数和(自身を除く): 127844316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 38321, 76642, 114963, 153284, 229926, 344889, 459852, 689778, 1379556, 2260939, 4521878, 6782817, 9043756, 13565634, 20348451, 27131268, 40696902, 81393804]

約数ペア:

[(1, 81393804), (2, 40696902), (3, 27131268), (4, 20348451), (6, 13565634), (9, 9043756), (12, 6782817), (18, 4521878), (36, 2260939), (59, 1379556), (118, 689778), (177, 459852), (236, 344889), (354, 229926), (531, 153284), (708, 114963), (1062, 76642), (2124, 38321)]