31881993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74317}}^1$

素因数の和:74344

約数の個数: 16

約数和(自身を含む): 49941696

約数和(自身を除く): 18059703

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 74317, 222951, 817487, 966121, 2452461, 2898363, 10627331, 31881993]

約数ペア:

[(1, 31881993), (3, 10627331), (11, 2898363), (13, 2452461), (33, 966121), (39, 817487), (143, 222951), (429, 74317)]