27143991

素因数分解:

$3^4\times 7^3\times {\mathrm{977}}^1$

素因数の和:1010

約数の個数: 40

約数和(自身を含む): 47335200

約数和(自身を除く): 20191209

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 977, 1029, 1323, 2931, 3087, 3969, 6839, 8793, 9261, 20517, 26379, 27783, 47873, 61551, 79137, 143619, 184653, 335111, 430857, 553959, 1005333, 1292571, 3015999, 3877713, 9047997, 27143991]

約数ペア:

[(1, 27143991), (3, 9047997), (7, 3877713), (9, 3015999), (21, 1292571), (27, 1005333), (49, 553959), (63, 430857), (81, 335111), (147, 184653), (189, 143619), (343, 79137), (441, 61551), (567, 47873), (977, 27783), (1029, 26379), (1323, 20517), (2931, 9261), (3087, 8793), (3969, 6839)]