13868253

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 24600576

約数和(自身を除く): 10732323

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 263, 279, 567, 651, 789, 837, 1701, 1841, 1953, 2367, 2511, 5523, 5859, 7101, 7533, 8153, 16569, 17577, 21303, 24459, 49707, 52731, 57071, 63909, 73377, 149121, 171213, 220131, 447363, 513639, 660393, 1540917, 1981179, 4622751, 13868253]

約数ペア:

[(1, 13868253), (3, 4622751), (7, 1981179), (9, 1540917), (21, 660393), (27, 513639), (31, 447363), (63, 220131), (81, 171213), (93, 149121), (189, 73377), (217, 63909), (243, 57071), (263, 52731), (279, 49707), (567, 24459), (651, 21303), (789, 17577), (837, 16569), (1701, 8153), (1841, 7533), (1953, 7101), (2367, 5859), (2511, 5523)]