5180721

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 8656704

約数和(自身を除く): 3475983

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 2711, 8133, 18977, 35243, 56931, 105729, 132839, 246701, 398517, 740103, 1726907, 5180721]

約数ペア:

[(1, 5180721), (3, 1726907), (7, 740103), (13, 398517), (21, 246701), (39, 132839), (49, 105729), (91, 56931), (147, 35243), (273, 18977), (637, 8133), (1911, 2711)]