72581457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 108017280

約数和(自身を除く): 35435823

約数列:

[1, 3, 13, 37, 39, 111, 179, 281, 481, 537, 843, 1443, 2327, 3653, 6623, 6981, 10397, 10959, 19869, 31191, 50299, 86099, 135161, 150897, 258297, 405483, 653887, 1861063, 1961661, 5583189, 24193819, 72581457]

約数ペア:

[(1, 72581457), (3, 24193819), (13, 5583189), (37, 1961661), (39, 1861063), (111, 653887), (179, 405483), (281, 258297), (481, 150897), (537, 135161), (843, 86099), (1443, 50299), (2327, 31191), (3653, 19869), (6623, 10959), (6981, 10397)]