2644971

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 4322880

約数和(自身を除く): 1677909

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 947, 2793, 2841, 6629, 17993, 19887, 46403, 53979, 125951, 139209, 377853, 881657, 2644971]

約数ペア:

[(1, 2644971), (3, 881657), (7, 377853), (19, 139209), (21, 125951), (49, 53979), (57, 46403), (133, 19887), (147, 17993), (399, 6629), (931, 2841), (947, 2793)]