1275813

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 2347488

約数和(自身を除く): 1071675

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 263, 441, 539, 693, 789, 1617, 1841, 2367, 2893, 4851, 5523, 8679, 12887, 16569, 20251, 26037, 38661, 60753, 115983, 141757, 182259, 425271, 1275813]

約数ペア:

[(1, 1275813), (3, 425271), (7, 182259), (9, 141757), (11, 115983), (21, 60753), (33, 38661), (49, 26037), (63, 20251), (77, 16569), (99, 12887), (147, 8679), (231, 5523), (263, 4851), (441, 2893), (539, 2367), (693, 1841), (789, 1617)]