51990099

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{569}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 83904000

約数和(自身を除く): 31913901

約数列:

[1, 3, 7, 19, 21, 57, 133, 229, 399, 569, 687, 1603, 1707, 3983, 4351, 4809, 10811, 11949, 13053, 30457, 32433, 75677, 91371, 130301, 227031, 390903, 912107, 2475719, 2736321, 7427157, 17330033, 51990099]

約数ペア:

[(1, 51990099), (3, 17330033), (7, 7427157), (19, 2736321), (21, 2475719), (57, 912107), (133, 390903), (229, 227031), (399, 130301), (569, 91371), (687, 75677), (1603, 32433), (1707, 30457), (3983, 13053), (4351, 11949), (4809, 10811)]