28206339

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 44330496

約数和(自身を除く): 16124157

約数列:

[1, 3, 7, 21, 61, 97, 183, 227, 291, 427, 679, 681, 1281, 1589, 2037, 4767, 5917, 13847, 17751, 22019, 41419, 41541, 66057, 96929, 124257, 154133, 290787, 462399, 1343159, 4029477, 9402113, 28206339]

約数ペア:

[(1, 28206339), (3, 9402113), (7, 4029477), (21, 1343159), (61, 462399), (97, 290787), (183, 154133), (227, 124257), (291, 96929), (427, 66057), (679, 41541), (681, 41419), (1281, 22019), (1589, 17751), (2037, 13847), (4767, 5917)]