215529081

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{20509}}^1$

素因数の和:20656

約数の個数: 16

約数和(自身を含む): 299281920

約数和(自身を除く): 83752839

約数列:

[1, 3, 31, 93, 113, 339, 3503, 10509, 20509, 61527, 635779, 1907337, 2317517, 6952551, 71843027, 215529081]

約数ペア:

[(1, 215529081), (3, 71843027), (31, 6952551), (93, 2317517), (113, 1907337), (339, 635779), (3503, 61527), (10509, 20509)]