81191617

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1721}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 92574720

約数和(自身を除く): 11383103

約数列:

[1, 13, 19, 191, 247, 1721, 2483, 3629, 22373, 32699, 47177, 328711, 425087, 4273243, 6245509, 81191617]

約数ペア:

[(1, 81191617), (13, 6245509), (19, 4273243), (191, 425087), (247, 328711), (1721, 47177), (2483, 32699), (3629, 22373)]