18178479

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 29729280

約数和(自身を除く): 11550801

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 631, 873, 1067, 1893, 2619, 3201, 5679, 6941, 9603, 17037, 20823, 28809, 61207, 62469, 183621, 187407, 550863, 673277, 1652589, 2019831, 6059493, 18178479]

約数ペア:

[(1, 18178479), (3, 6059493), (9, 2019831), (11, 1652589), (27, 673277), (33, 550863), (97, 187407), (99, 183621), (291, 62469), (297, 61207), (631, 28809), (873, 20823), (1067, 17037), (1893, 9603), (2619, 6941), (3201, 5679)]