68511015

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1373

約数の個数: 40

約数和(自身を含む): 123797520

約数和(自身を除く): 55286505

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 695, 1217, 1251, 2085, 3651, 3753, 6085, 6255, 10953, 11259, 18255, 18765, 32859, 54765, 56295, 98577, 164295, 169163, 492885, 507489, 845815, 1522467, 2537445, 4567401, 7612335, 13702203, 22837005, 68511015]

約数ペア:

[(1, 68511015), (3, 22837005), (5, 13702203), (9, 7612335), (15, 4567401), (27, 2537445), (45, 1522467), (81, 845815), (135, 507489), (139, 492885), (405, 169163), (417, 164295), (695, 98577), (1217, 56295), (1251, 54765), (2085, 32859), (3651, 18765), (3753, 18255), (6085, 11259), (6255, 10953)]