81113565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21893}}^1$

素因数の和:21933

約数の個数: 32

約数和(自身を含む): 147127680

約数和(自身を除く): 66014115

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 21893, 65679, 109465, 284609, 328395, 415967, 853827, 1247901, 1423045, 2079835, 4269135, 5407571, 6239505, 16222713, 27037855, 81113565]

約数ペア:

[(1, 81113565), (3, 27037855), (5, 16222713), (13, 6239505), (15, 5407571), (19, 4269135), (39, 2079835), (57, 1423045), (65, 1247901), (95, 853827), (195, 415967), (247, 328395), (285, 284609), (741, 109465), (1235, 65679), (3705, 21893)]