388220301

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{18617}}^1$

素因数の和:18961

約数の個数: 24

約数和(自身を含む): 642842304

約数和(自身を除く): 254622003

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 18617, 20853, 55851, 130319, 167553, 390957, 1172871, 6162227, 18486681, 43135589, 55460043, 129406767, 388220301]

約数ペア:

[(1, 388220301), (3, 129406767), (7, 55460043), (9, 43135589), (21, 18486681), (63, 6162227), (331, 1172871), (993, 390957), (2317, 167553), (2979, 130319), (6951, 55851), (18617, 20853)]