31987449

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2087}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 50162112

約数和(自身を除く): 18174663

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 2087, 5109, 6261, 15327, 18783, 27131, 81393, 244179, 273397, 820191, 2460573, 3554161, 10662483, 31987449]

約数ペア:

[(1, 31987449), (3, 10662483), (9, 3554161), (13, 2460573), (39, 820191), (117, 273397), (131, 244179), (393, 81393), (1179, 27131), (1703, 18783), (2087, 15327), (5109, 6261)]