12887721

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6199}}^1$

素因数の和:6226

約数の個数: 32

約数和(自身を含む): 23808000

約数和(自身を除く): 10920279

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 6199, 18597, 43393, 55791, 68189, 130179, 167373, 204567, 390537, 477323, 613701, 1171611, 1431969, 1841103, 4295907, 12887721]

約数ペア:

[(1, 12887721), (3, 4295907), (7, 1841103), (9, 1431969), (11, 1171611), (21, 613701), (27, 477323), (33, 390537), (63, 204567), (77, 167373), (99, 130179), (189, 68189), (231, 55791), (297, 43393), (693, 18597), (2079, 6199)]