12538413

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 18738720

約数和(自身を除く): 6200307

約数列:

[1, 3, 9, 43, 129, 179, 181, 387, 537, 543, 1611, 1629, 7697, 7783, 23091, 23349, 32399, 69273, 70047, 97197, 291591, 1393157, 4179471, 12538413]

約数ペア:

[(1, 12538413), (3, 4179471), (9, 1393157), (43, 291591), (129, 97197), (179, 70047), (181, 69273), (387, 32399), (537, 23349), (543, 23091), (1611, 7783), (1629, 7697)]