2187179907

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{140123}}^1$

素因数の和:140191

約数の個数: 24

約数和(自身を含む): 3280022592

約数和(自身を除く): 1092842685

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1419, 5203, 15609, 140123, 420369, 1541353, 4624059, 6025289, 16954883, 18075867, 50864649, 66278179, 198834537, 729059969, 2187179907]

約数ペア:

[(1, 2187179907), (3, 729059969), (11, 198834537), (33, 66278179), (43, 50864649), (121, 18075867), (129, 16954883), (363, 6025289), (473, 4624059), (1419, 1541353), (5203, 420369), (15609, 140123)]