77771745

素因数分解:

$3^4\times 5^1\times {\mathrm{192029}}^1$

素因数の和:192046

約数の個数: 20

約数和(自身を含む): 139413780

約数和(自身を除く): 61642035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 192029, 576087, 960145, 1728261, 2880435, 5184783, 8641305, 15554349, 25923915, 77771745]

約数ペア:

[(1, 77771745), (3, 25923915), (5, 15554349), (9, 8641305), (15, 5184783), (27, 2880435), (45, 1728261), (81, 960145), (135, 576087), (405, 192029)]