16768791

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 26224016

約数和(自身を除く): 9455225

約数列:

[1, 3, 9, 13, 39, 117, 331, 433, 993, 1299, 2979, 3897, 4303, 5629, 12909, 16887, 38727, 50661, 143323, 429969, 1289907, 1863199, 5589597, 16768791]

約数ペア:

[(1, 16768791), (3, 5589597), (9, 1863199), (13, 1289907), (39, 429969), (117, 143323), (331, 50661), (433, 38727), (993, 16887), (1299, 12909), (2979, 5629), (3897, 4303)]