78921495

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28751}}^1$

素因数の和:28823

約数の個数: 24

約数和(自身を含む): 139044672

約数和(自身を除く): 60123177

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 28751, 86253, 143755, 258759, 431265, 1293795, 1753811, 5261433, 8769055, 15784299, 26307165, 78921495]

約数ペア:

[(1, 78921495), (3, 26307165), (5, 15784299), (9, 8769055), (15, 5261433), (45, 1753811), (61, 1293795), (183, 431265), (305, 258759), (549, 143755), (915, 86253), (2745, 28751)]