81823365

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15541}}^1$

素因数の和:15571

約数の個数: 40

約数和(自身を含む): 157968888

約数和(自身を除く): 76145523

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 15541, 46623, 77705, 139869, 202033, 233115, 419607, 606099, 699345, 1010165, 1258821, 1818297, 2098035, 3030495, 5454891, 6294105, 9091485, 16364673, 27274455, 81823365]

約数ペア:

[(1, 81823365), (3, 27274455), (5, 16364673), (9, 9091485), (13, 6294105), (15, 5454891), (27, 3030495), (39, 2098035), (45, 1818297), (65, 1258821), (81, 1010165), (117, 699345), (135, 606099), (195, 419607), (351, 233115), (405, 202033), (585, 139869), (1053, 77705), (1755, 46623), (5265, 15541)]