206548461

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2659}}^1$

素因数の和:2815

約数の個数: 40

約数和(自身を含む): 355333440

約数和(自身を除く): 148784979

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1233, 2659, 2877, 3699, 7977, 8631, 11097, 18613, 23931, 25893, 55839, 71793, 77679, 167517, 215379, 364283, 502551, 1092849, 1507653, 2549981, 3278547, 7649943, 9835641, 22949829, 29506923, 68849487, 206548461]

約数ペア:

[(1, 206548461), (3, 68849487), (7, 29506923), (9, 22949829), (21, 9835641), (27, 7649943), (63, 3278547), (81, 2549981), (137, 1507653), (189, 1092849), (411, 502551), (567, 364283), (959, 215379), (1233, 167517), (2659, 77679), (2877, 71793), (3699, 55839), (7977, 25893), (8631, 23931), (11097, 18613)]