311918919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 455159040

約数和(自身を除く): 143240121

約数列:

[1, 3, 13, 39, 139, 163, 353, 417, 489, 1059, 1807, 2119, 4589, 5421, 6357, 13767, 22657, 49067, 57539, 67971, 147201, 172617, 294541, 637871, 748007, 883623, 1913613, 2244021, 7997921, 23993763, 103972973, 311918919]

約数ペア:

[(1, 311918919), (3, 103972973), (13, 23993763), (39, 7997921), (139, 2244021), (163, 1913613), (353, 883623), (417, 748007), (489, 637871), (1059, 294541), (1807, 172617), (2119, 147201), (4589, 67971), (5421, 57539), (6357, 49067), (13767, 22657)]