12681207

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 23662080

約数和(自身を除く): 10980873

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 631, 693, 957, 1827, 1893, 2233, 2871, 4417, 5679, 6699, 6941, 13251, 18299, 20097, 20823, 39753, 48587, 54897, 62469, 128093, 145761, 164691, 201289, 384279, 437283, 603867, 1152837, 1409023, 1811601, 4227069, 12681207]

約数ペア:

[(1, 12681207), (3, 4227069), (7, 1811601), (9, 1409023), (11, 1152837), (21, 603867), (29, 437283), (33, 384279), (63, 201289), (77, 164691), (87, 145761), (99, 128093), (203, 62469), (231, 54897), (261, 48587), (319, 39753), (609, 20823), (631, 20097), (693, 18299), (957, 13251), (1827, 6941), (1893, 6699), (2233, 5679), (2871, 4417)]