279959655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{5573}}^1$

素因数の和:5795

約数の個数: 32

約数和(自身を含む): 476777664

約数和(自身を除く): 196818009

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 591, 985, 2955, 3349, 5573, 10047, 16719, 16745, 27865, 50235, 83595, 94741, 284223, 473705, 1097881, 1421115, 3293643, 5489405, 16468215, 18663977, 55991931, 93319885, 279959655]

約数ペア:

[(1, 279959655), (3, 93319885), (5, 55991931), (15, 18663977), (17, 16468215), (51, 5489405), (85, 3293643), (197, 1421115), (255, 1097881), (591, 473705), (985, 284223), (2955, 94741), (3349, 83595), (5573, 50235), (10047, 27865), (16719, 16745)]