1292571

素因数分解:

$3^3\times 7^2\times {\mathrm{977}}^1$

素因数の和:1000

約数の個数: 24

約数和(自身を含む): 2229840

約数和(自身を除く): 937269

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 977, 1323, 2931, 6839, 8793, 20517, 26379, 47873, 61551, 143619, 184653, 430857, 1292571]

約数ペア:

[(1, 1292571), (3, 430857), (7, 184653), (9, 143619), (21, 61551), (27, 47873), (49, 26379), (63, 20517), (147, 8793), (189, 6839), (441, 2931), (977, 1323)]