287488539

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{18757}}^1$

素因数の和:18907

約数の個数: 24

約数和(自身を含む): 450642192

約数和(自身を除く): 163153653

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 5109, 15327, 18757, 56271, 168813, 243841, 731523, 2194569, 2457167, 7371501, 22114503, 31943171, 95829513, 287488539]

約数ペア:

[(1, 287488539), (3, 95829513), (9, 31943171), (13, 22114503), (39, 7371501), (117, 2457167), (131, 2194569), (393, 731523), (1179, 243841), (1703, 168813), (5109, 56271), (15327, 18757)]