7978887

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3089}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 13497120

約数和(自身を除く): 5518233

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 3089, 9267, 21623, 27801, 64869, 126649, 194607, 379947, 886543, 1139841, 2659629, 7978887]

約数ペア:

[(1, 7978887), (3, 2659629), (7, 1139841), (9, 886543), (21, 379947), (41, 194607), (63, 126649), (123, 64869), (287, 27801), (369, 21623), (861, 9267), (2583, 3089)]