76756815

素因数分解:

$3^4\times 5^1\times {\mathrm{189523}}^1$

素因数の和:189540

約数の個数: 20

約数和(自身を含む): 137594424

約数和(自身を除く): 60837609

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 189523, 568569, 947615, 1705707, 2842845, 5117121, 8528535, 15351363, 25585605, 76756815]

約数ペア:

[(1, 76756815), (3, 25585605), (5, 15351363), (9, 8528535), (15, 5117121), (27, 2842845), (45, 1705707), (81, 947615), (135, 568569), (405, 189523)]