228979947

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 353920000

約数和(自身を除く): 124940053

約数列:

[1, 3, 7, 21, 157, 199, 349, 471, 597, 1047, 1099, 1393, 2443, 3297, 4179, 7329, 31243, 54793, 69451, 93729, 164379, 208353, 218701, 383551, 486157, 656103, 1150653, 1458471, 10903807, 32711421, 76326649, 228979947]

約数ペア:

[(1, 228979947), (3, 76326649), (7, 32711421), (21, 10903807), (157, 1458471), (199, 1150653), (349, 656103), (471, 486157), (597, 383551), (1047, 218701), (1099, 208353), (1393, 164379), (2443, 93729), (3297, 69451), (4179, 54793), (7329, 31243)]