128100771

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{42743}}^1$

素因数の和:42792

約数の個数: 20

約数和(自身を含む): 196536912

約数和(自身を除く): 68436141

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 42743, 128229, 384687, 1154061, 1581491, 3462183, 4744473, 14233419, 42700257, 128100771]

約数ペア:

[(1, 128100771), (3, 42700257), (9, 14233419), (27, 4744473), (37, 3462183), (81, 1581491), (111, 1154061), (333, 384687), (999, 128229), (2997, 42743)]