516009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 753984

約数和(自身を除く): 237975

約数列:

[1, 3, 13, 39, 101, 131, 303, 393, 1313, 1703, 3939, 5109, 13231, 39693, 172003, 516009]

約数ペア:

[(1, 516009), (3, 172003), (13, 39693), (39, 13231), (101, 5109), (131, 3939), (303, 1703), (393, 1313)]