538691607

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{937}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 810432000

約数和(自身を除く): 271740393

約数列:

[1, 3, 9, 27, 107, 199, 321, 597, 937, 963, 1791, 2811, 2889, 5373, 8433, 21293, 25299, 63879, 100259, 186463, 191637, 300777, 559389, 574911, 902331, 1678167, 2706993, 5034501, 19951541, 59854623, 179563869, 538691607]

約数ペア:

[(1, 538691607), (3, 179563869), (9, 59854623), (27, 19951541), (107, 5034501), (199, 2706993), (321, 1678167), (597, 902331), (937, 574911), (963, 559389), (1791, 300777), (2811, 191637), (2889, 186463), (5373, 100259), (8433, 63879), (21293, 25299)]