131990721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{3803}}^1$

素因数の和:4332

約数の個数: 16

約数和(自身を含む): 184052736

約数和(自身を除く): 52062015

約数列:

[1, 3, 23, 69, 503, 1509, 3803, 11409, 11569, 34707, 87469, 262407, 1912909, 5738727, 43996907, 131990721]

約数ペア:

[(1, 131990721), (3, 43996907), (23, 5738727), (69, 1912909), (503, 262407), (1509, 87469), (3803, 34707), (11409, 11569)]