66721165

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1031}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 93771648

約数和(自身を除く): 27050483

約数列:

[1, 5, 7, 35, 43, 215, 301, 1031, 1505, 1849, 5155, 7217, 9245, 12943, 36085, 44333, 64715, 221665, 310331, 1551655, 1906319, 9531595, 13344233, 66721165]

約数ペア:

[(1, 66721165), (5, 13344233), (7, 9531595), (35, 1906319), (43, 1551655), (215, 310331), (301, 221665), (1031, 64715), (1505, 44333), (1849, 36085), (5155, 12943), (7217, 9245)]