66686937

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 98537472

約数和(自身を除く): 31850535

約数列:

[1, 3, 17, 43, 47, 51, 129, 141, 647, 731, 799, 1941, 2021, 2193, 2397, 6063, 10999, 27821, 30409, 32997, 34357, 83463, 91227, 103071, 472957, 516953, 1307587, 1418871, 1550859, 3922761, 22228979, 66686937]

約数ペア:

[(1, 66686937), (3, 22228979), (17, 3922761), (43, 1550859), (47, 1418871), (51, 1307587), (129, 516953), (141, 472957), (647, 103071), (731, 91227), (799, 83463), (1941, 34357), (2021, 32997), (2193, 30409), (2397, 27821), (6063, 10999)]