66980115

素因数分解:

$3^4\times 5^1\times {\mathrm{165383}}^1$

素因数の和:165400

約数の個数: 20

約数和(自身を含む): 120068784

約数和(自身を除く): 53088669

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 165383, 496149, 826915, 1488447, 2480745, 4465341, 7442235, 13396023, 22326705, 66980115]

約数ペア:

[(1, 66980115), (3, 22326705), (5, 13396023), (9, 7442235), (15, 4465341), (27, 2480745), (45, 1488447), (81, 826915), (135, 496149), (405, 165383)]