388289991

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{1013}}^1\times {\mathrm{1907}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 526241664

約数和(自身を除く): 137951673

約数列:

[1, 3, 67, 201, 1013, 1907, 3039, 5721, 67871, 127769, 203613, 383307, 1931791, 5795373, 129429997, 388289991]

約数ペア:

[(1, 388289991), (3, 129429997), (67, 5795373), (201, 1931791), (1013, 383307), (1907, 203613), (3039, 127769), (5721, 67871)]