71351319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 105892864

約数和(自身を除く): 34541545

約数列:

[1, 3, 13, 39, 43, 129, 157, 271, 471, 559, 813, 1677, 2041, 3523, 6123, 6751, 10569, 11653, 20253, 34959, 42547, 87763, 127641, 151489, 263289, 454467, 553111, 1659333, 1829521, 5488563, 23783773, 71351319]

約数ペア:

[(1, 71351319), (3, 23783773), (13, 5488563), (39, 1829521), (43, 1659333), (129, 553111), (157, 454467), (271, 263289), (471, 151489), (559, 127641), (813, 87763), (1677, 42547), (2041, 34959), (3523, 20253), (6123, 11653), (6751, 10569)]