678049245

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{31991}}^1$

素因数の和:32162

約数の個数: 32

約数和(自身を含む): 1213136640

約数和(自身を除く): 535087395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 4239, 7065, 21195, 31991, 95973, 159955, 287919, 479865, 863757, 1439595, 4318785, 5022587, 15067761, 25112935, 45203283, 75338805, 135609849, 226016415, 678049245]

約数ペア:

[(1, 678049245), (3, 226016415), (5, 135609849), (9, 75338805), (15, 45203283), (27, 25112935), (45, 15067761), (135, 5022587), (157, 4318785), (471, 1439595), (785, 863757), (1413, 479865), (2355, 287919), (4239, 159955), (7065, 95973), (21195, 31991)]