28151709

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 38873088

約数和(自身を除く): 10721379

約数列:

[1, 3, 37, 111, 127, 381, 1997, 4699, 5991, 14097, 73889, 221667, 253619, 760857, 9383903, 28151709]

約数ペア:

[(1, 28151709), (3, 9383903), (37, 760857), (111, 253619), (127, 221667), (381, 73889), (1997, 14097), (4699, 5991)]