172249287

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{857}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 278733312

約数和(自身を除く): 106484025

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 563, 857, 1689, 2571, 3941, 5999, 9571, 11823, 14569, 17997, 28713, 43707, 66997, 101983, 200991, 305949, 482491, 1447473, 3377437, 8202347, 10132311, 24607041, 57416429, 172249287]

約数ペア:

[(1, 172249287), (3, 57416429), (7, 24607041), (17, 10132311), (21, 8202347), (51, 3377437), (119, 1447473), (357, 482491), (563, 305949), (857, 200991), (1689, 101983), (2571, 66997), (3941, 43707), (5999, 28713), (9571, 17997), (11823, 14569)]