213772121

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 223699968

約数和(自身を除く): 9927847

約数列:

[1, 47, 61, 173, 431, 2867, 8131, 10553, 20257, 26291, 74563, 495991, 1235677, 3504461, 4548343, 213772121]

約数ペア:

[(1, 213772121), (47, 4548343), (61, 3504461), (173, 1235677), (431, 495991), (2867, 74563), (8131, 26291), (10553, 20257)]