30409379

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 43255296

約数和(自身を除く): 12845917

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 1787, 2431, 12509, 17017, 19657, 23231, 30379, 137599, 162617, 212653, 255541, 334169, 394927, 1788787, 2339183, 2764489, 4344197, 30409379]

約数ペア:

[(1, 30409379), (7, 4344197), (11, 2764489), (13, 2339183), (17, 1788787), (77, 394927), (91, 334169), (119, 255541), (143, 212653), (187, 162617), (221, 137599), (1001, 30379), (1309, 23231), (1547, 19657), (1787, 17017), (2431, 12509)]