81124974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{643849}}^1$

素因数の和:643864

約数の個数: 24

約数和(自身を含む): 200881200

約数和(自身を除く): 119756226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 643849, 1287698, 1931547, 3863094, 4506943, 5794641, 9013886, 11589282, 13520829, 27041658, 40562487, 81124974]

約数ペア:

[(1, 81124974), (2, 40562487), (3, 27041658), (6, 13520829), (7, 11589282), (9, 9013886), (14, 5794641), (18, 4506943), (21, 3863094), (42, 1931547), (63, 1287698), (126, 643849)]