391567371

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6689}}^1$

素因数の和:6803

約数の個数: 32

約数和(自身を含む): 599424000

約数和(自身を除く): 207856629

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1501, 3081, 4503, 6689, 19513, 20067, 58539, 86957, 127091, 260871, 381273, 528431, 1585293, 1652183, 4956549, 6869603, 10040189, 20608809, 30120567, 130522457, 391567371]

約数ペア:

[(1, 391567371), (3, 130522457), (13, 30120567), (19, 20608809), (39, 10040189), (57, 6869603), (79, 4956549), (237, 1652183), (247, 1585293), (741, 528431), (1027, 381273), (1501, 260871), (3081, 127091), (4503, 86957), (6689, 58539), (19513, 20067)]