17980527

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 24860672

約数和(自身を除く): 6880145

約数列:

[1, 3, 31, 93, 397, 487, 1191, 1461, 12307, 15097, 36921, 45291, 193339, 580017, 5993509, 17980527]

約数ペア:

[(1, 17980527), (3, 5993509), (31, 580017), (93, 193339), (397, 45291), (487, 36921), (1191, 15097), (1461, 12307)]