81288753

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1783}}^1$

素因数の和:1973

約数の個数: 32

約数和(自身を含む): 134270976

約数和(自身を除く): 52982223

約数列:

[1, 3, 7, 13, 21, 39, 91, 167, 273, 501, 1169, 1783, 2171, 3507, 5349, 6513, 12481, 15197, 23179, 37443, 45591, 69537, 162253, 297761, 486759, 893283, 2084327, 3870893, 6252981, 11612679, 27096251, 81288753]

約数ペア:

[(1, 81288753), (3, 27096251), (7, 11612679), (13, 6252981), (21, 3870893), (39, 2084327), (91, 893283), (167, 486759), (273, 297761), (501, 162253), (1169, 69537), (1783, 45591), (2171, 37443), (3507, 23179), (5349, 15197), (6513, 12481)]