2868915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 5322240

約数和(自身を除く): 2453325

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 307, 445, 623, 921, 1335, 1535, 1869, 2149, 3115, 4605, 6447, 9345, 10745, 27323, 32235, 81969, 136615, 191261, 409845, 573783, 956305, 2868915]

約数ペア:

[(1, 2868915), (3, 956305), (5, 573783), (7, 409845), (15, 191261), (21, 136615), (35, 81969), (89, 32235), (105, 27323), (267, 10745), (307, 9345), (445, 6447), (623, 4605), (921, 3115), (1335, 2149), (1535, 1869)]