991172007

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{383729}}^1$

素因数の和:383783

約数の個数: 24

約数和(自身を含む): 1676132640

約数和(自身を除く): 684960633

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 383729, 1151187, 2686103, 3453561, 8058309, 15732889, 24174927, 47198667, 110130223, 141596001, 330390669, 991172007]

約数ペア:

[(1, 991172007), (3, 330390669), (7, 141596001), (9, 110130223), (21, 47198667), (41, 24174927), (63, 15732889), (123, 8058309), (287, 3453561), (369, 2686103), (861, 1151187), (2583, 383729)]