28892997

素因数分解:

$3^3\times 7^2\times {\mathrm{21839}}^1$

素因数の和:21862

約数の個数: 24

約数和(自身を含む): 49795200

約数和(自身を除く): 20902203

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21839, 65517, 152873, 196551, 458619, 589653, 1070111, 1375857, 3210333, 4127571, 9630999, 28892997]

約数ペア:

[(1, 28892997), (3, 9630999), (7, 4127571), (9, 3210333), (21, 1375857), (27, 1070111), (49, 589653), (63, 458619), (147, 196551), (189, 152873), (441, 65517), (1323, 21839)]