87220395

素因数分解:

$3^4\times 5^1\times {\mathrm{215359}}^1$

素因数の和:215376

約数の個数: 20

約数和(自身を含む): 156351360

約数和(自身を除く): 69130965

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 215359, 646077, 1076795, 1938231, 3230385, 5814693, 9691155, 17444079, 29073465, 87220395]

約数ペア:

[(1, 87220395), (3, 29073465), (5, 17444079), (9, 9691155), (15, 5814693), (27, 3230385), (45, 1938231), (81, 1076795), (135, 646077), (405, 215359)]