128812905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7103}}^1$

素因数の和:7158

約数の個数: 48

約数和(自身を含む): 248242176

約数和(自身を除く): 119429271

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 2015, 3627, 6045, 7103, 18135, 21309, 35515, 63927, 92339, 106545, 220193, 277017, 319635, 461695, 660579, 831051, 1100965, 1385085, 1981737, 2862509, 3302895, 4155255, 8587527, 9908685, 14312545, 25762581, 42937635, 128812905]

約数ペア:

[(1, 128812905), (3, 42937635), (5, 25762581), (9, 14312545), (13, 9908685), (15, 8587527), (31, 4155255), (39, 3302895), (45, 2862509), (65, 1981737), (93, 1385085), (117, 1100965), (155, 831051), (195, 660579), (279, 461695), (403, 319635), (465, 277017), (585, 220193), (1209, 106545), (1395, 92339), (2015, 63927), (3627, 35515), (6045, 21309), (7103, 18135)]