40513221

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6367}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 67551744

約数和(自身を除く): 27038523

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 6367, 19101, 44569, 57303, 133707, 401121, 643067, 1929201, 4501469, 5787603, 13504407, 40513221]

約数ペア:

[(1, 40513221), (3, 13504407), (7, 5787603), (9, 4501469), (21, 1929201), (63, 643067), (101, 401121), (303, 133707), (707, 57303), (909, 44569), (2121, 19101), (6363, 6367)]