81367209

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{117413}}^1$

素因数の和:117437

約数の個数: 24

約数和(自身を含む): 146532672

約数和(自身を除く): 65165463

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 117413, 352239, 821891, 1056717, 1291543, 2465673, 3874629, 7397019, 9040801, 11623887, 27122403, 81367209]

約数ペア:

[(1, 81367209), (3, 27122403), (7, 11623887), (9, 9040801), (11, 7397019), (21, 3874629), (33, 2465673), (63, 1291543), (77, 1056717), (99, 821891), (231, 352239), (693, 117413)]