53865021

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 85333248

約数和(自身を除く): 31468227

約数列:

[1, 3, 7, 21, 41, 73, 123, 219, 287, 511, 857, 861, 1533, 2571, 2993, 5999, 8979, 17997, 20951, 35137, 62561, 62853, 105411, 187683, 245959, 437927, 737877, 1313781, 2565001, 7695003, 17955007, 53865021]

約数ペア:

[(1, 53865021), (3, 17955007), (7, 7695003), (21, 2565001), (41, 1313781), (73, 737877), (123, 437927), (219, 245959), (287, 187683), (511, 105411), (857, 62853), (861, 62561), (1533, 35137), (2571, 20951), (2993, 17997), (5999, 8979)]