16188417

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 28700672

約数和(自身を除く): 12512255

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 307, 567, 651, 837, 921, 1701, 1953, 2149, 2511, 2763, 5859, 6447, 7533, 8289, 9517, 17577, 19341, 24867, 28551, 52731, 58023, 66619, 74601, 85653, 174069, 199857, 256959, 522207, 599571, 770877, 1798713, 2312631, 5396139, 16188417]

約数ペア:

[(1, 16188417), (3, 5396139), (7, 2312631), (9, 1798713), (21, 770877), (27, 599571), (31, 522207), (63, 256959), (81, 199857), (93, 174069), (189, 85653), (217, 74601), (243, 66619), (279, 58023), (307, 52731), (567, 28551), (651, 24867), (837, 19341), (921, 17577), (1701, 9517), (1953, 8289), (2149, 7533), (2511, 6447), (2763, 5859)]