311399553

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 436383360

約数和(自身を除く): 124983807

約数列:

[1, 3, 23, 69, 239, 529, 717, 821, 1587, 2463, 5497, 16491, 18883, 56649, 126431, 196219, 379293, 434309, 588657, 1302927, 4513037, 13539111, 103799851, 311399553]

約数ペア:

[(1, 311399553), (3, 103799851), (23, 13539111), (69, 4513037), (239, 1302927), (529, 588657), (717, 434309), (821, 379293), (1587, 196219), (2463, 126431), (5497, 56649), (16491, 18883)]