68938521

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{7867}}^1$

素因数の和:8020

約数の個数: 16

約数和(自身を含む): 96681984

約数和(自身を除く): 27743463

約数列:

[1, 3, 23, 69, 127, 381, 2921, 7867, 8763, 23601, 180941, 542823, 999109, 2997327, 22979507, 68938521]

約数ペア:

[(1, 68938521), (3, 22979507), (23, 2997327), (69, 999109), (127, 542823), (381, 180941), (2921, 23601), (7867, 8763)]