86557815

素因数分解:

$3^6\times 5^1\times {\mathrm{23747}}^1$

素因数の和:23770

約数の個数: 28

約数和(自身を含む): 155739384

約数和(自身を除く): 69181569

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 23747, 71241, 118735, 213723, 356205, 641169, 1068615, 1923507, 3205845, 5770521, 9617535, 17311563, 28852605, 86557815]

約数ペア:

[(1, 86557815), (3, 28852605), (5, 17311563), (9, 9617535), (15, 5770521), (27, 3205845), (45, 1923507), (81, 1068615), (135, 641169), (243, 356205), (405, 213723), (729, 118735), (1215, 71241), (3645, 23747)]