82865391

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 129024000

約数和(自身を除く): 46158609

約数列:

[1, 3, 7, 21, 79, 199, 237, 251, 553, 597, 753, 1393, 1659, 1757, 4179, 5271, 15721, 19829, 47163, 49949, 59487, 110047, 138803, 149847, 330141, 349643, 416409, 1048929, 3945971, 11837913, 27621797, 82865391]

約数ペア:

[(1, 82865391), (3, 27621797), (7, 11837913), (21, 3945971), (79, 1048929), (199, 416409), (237, 349643), (251, 330141), (553, 149847), (597, 138803), (753, 110047), (1393, 59487), (1659, 49949), (1757, 47163), (4179, 19829), (5271, 15721)]