243389405

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 339254784

約数和(自身を除く): 95865379

約数列:

[1, 5, 7, 35, 137, 193, 263, 685, 959, 965, 1315, 1351, 1841, 4795, 6755, 9205, 26441, 36031, 50759, 132205, 180155, 185087, 252217, 253795, 355313, 925435, 1261085, 1776565, 6953983, 34769915, 48677881, 243389405]

約数ペア:

[(1, 243389405), (5, 48677881), (7, 34769915), (35, 6953983), (137, 1776565), (193, 1261085), (263, 925435), (685, 355313), (959, 253795), (965, 252217), (1315, 185087), (1351, 180155), (1841, 132205), (4795, 50759), (6755, 36031), (9205, 26441)]