311940735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{2339}}^1$

素因数の和:2887

約数の個数: 32

約数和(自身を含む): 529701120

約数和(自身を除く): 217760385

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 523, 1569, 2339, 2615, 7017, 7845, 8891, 11695, 26673, 35085, 39763, 44455, 119289, 133365, 198815, 596445, 1223297, 3669891, 6116485, 18349455, 20796049, 62388147, 103980245, 311940735]

約数ペア:

[(1, 311940735), (3, 103980245), (5, 62388147), (15, 20796049), (17, 18349455), (51, 6116485), (85, 3669891), (255, 1223297), (523, 596445), (1569, 198815), (2339, 133365), (2615, 119289), (7017, 44455), (7845, 39763), (8891, 35085), (11695, 26673)]