990472959

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{69259}}^1$

素因数の和:69499

約数の個数: 24

約数和(自身を含む): 1642293120

約数和(自身を除く): 651820161

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 14301, 69259, 207777, 484813, 623331, 1454439, 4363317, 15721793, 47165379, 110052551, 141496137, 330157653, 990472959]

約数ペア:

[(1, 990472959), (3, 330157653), (7, 141496137), (9, 110052551), (21, 47165379), (63, 15721793), (227, 4363317), (681, 1454439), (1589, 623331), (2043, 484813), (4767, 207777), (14301, 69259)]