81507654

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{10859}}^1$

素因数の和:11009

約数の個数: 32

約数和(自身を含む): 182448000

約数和(自身を除く): 100940346

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 3753, 7506, 10859, 21718, 32577, 65154, 97731, 195462, 293193, 586386, 1509401, 3018802, 4528203, 9056406, 13584609, 27169218, 40753827, 81507654]

約数ペア:

[(1, 81507654), (2, 40753827), (3, 27169218), (6, 13584609), (9, 9056406), (18, 4528203), (27, 3018802), (54, 1509401), (139, 586386), (278, 293193), (417, 195462), (834, 97731), (1251, 65154), (2502, 32577), (3753, 21718), (7506, 10859)]