1215333

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 2036736

約数和(自身を除く): 821403

約数列:

[1, 3, 7, 9, 21, 63, 101, 191, 303, 573, 707, 909, 1337, 1719, 2121, 4011, 6363, 12033, 19291, 57873, 135037, 173619, 405111, 1215333]

約数ペア:

[(1, 1215333), (3, 405111), (7, 173619), (9, 135037), (21, 57873), (63, 19291), (101, 12033), (191, 6363), (303, 4011), (573, 2121), (707, 1719), (909, 1337)]