86637195

素因数分解:

$3^4\times 5^1\times {\mathrm{213919}}^1$

素因数の和:213936

約数の個数: 20

約数和(自身を含む): 155305920

約数和(自身を除く): 68668725

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 213919, 641757, 1069595, 1925271, 3208785, 5775813, 9626355, 17327439, 28879065, 86637195]

約数ペア:

[(1, 86637195), (3, 28879065), (5, 17327439), (9, 9626355), (15, 5775813), (27, 3208785), (45, 1925271), (81, 1069595), (135, 641757), (405, 213919)]