77668065

素因数分解:

$3^4\times 5^1\times {\mathrm{191773}}^1$

素因数の和:191790

約数の個数: 20

約数和(自身を含む): 139227924

約数和(自身を除く): 61559859

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 191773, 575319, 958865, 1725957, 2876595, 5177871, 8629785, 15533613, 25889355, 77668065]

約数ペア:

[(1, 77668065), (3, 25889355), (5, 15533613), (9, 8629785), (15, 5177871), (27, 2876595), (45, 1725957), (81, 958865), (135, 575319), (405, 191773)]