86649345

素因数分解:

$3^4\times 5^1\times {\mathrm{213949}}^1$

素因数の和:213966

約数の個数: 20

約数和(自身を含む): 155327700

約数和(自身を除く): 68678355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 213949, 641847, 1069745, 1925541, 3209235, 5776623, 9627705, 17329869, 28883115, 86649345]

約数ペア:

[(1, 86649345), (3, 28883115), (5, 17329869), (9, 9627705), (15, 5776623), (27, 3209235), (45, 1925541), (81, 1069745), (135, 641847), (405, 213949)]