54947781

素因数分解:

$3^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{947}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 93434880

約数和(自身を除く): 38487099

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 307, 921, 947, 2149, 2763, 2841, 6447, 6629, 8289, 8523, 19341, 19887, 25569, 58023, 59661, 178983, 290729, 872187, 2035103, 2616561, 6105309, 7849683, 18315927, 54947781]

約数ペア:

[(1, 54947781), (3, 18315927), (7, 7849683), (9, 6105309), (21, 2616561), (27, 2035103), (63, 872187), (189, 290729), (307, 178983), (921, 59661), (947, 58023), (2149, 25569), (2763, 19887), (2841, 19341), (6447, 8523), (6629, 8289)]