131319721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{677}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 145341504

約数和(自身を除く): 14021783

約数列:

[1, 13, 43, 347, 559, 677, 4511, 8801, 14921, 29111, 193973, 234919, 378443, 3053947, 10101517, 131319721]

約数ペア:

[(1, 131319721), (13, 10101517), (43, 3053947), (347, 378443), (559, 234919), (677, 193973), (4511, 29111), (8801, 14921)]