156780357

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{2621}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 212109312

約数和(自身を除く): 55328955

約数列:

[1, 3, 127, 157, 381, 471, 2621, 7863, 19939, 59817, 332867, 411497, 998601, 1234491, 52260119, 156780357]

約数ペア:

[(1, 156780357), (3, 52260119), (127, 1234491), (157, 998601), (381, 411497), (471, 332867), (2621, 59817), (7863, 19939)]