7881285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 13796352

約数和(自身を除く): 5915067

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 997, 1581, 2635, 2991, 4985, 7905, 14955, 16949, 30907, 50847, 84745, 92721, 154535, 254235, 463605, 525419, 1576257, 2627095, 7881285]

約数ペア:

[(1, 7881285), (3, 2627095), (5, 1576257), (15, 525419), (17, 463605), (31, 254235), (51, 154535), (85, 92721), (93, 84745), (155, 50847), (255, 30907), (465, 16949), (527, 14955), (997, 7905), (1581, 4985), (2635, 2991)]