12979071

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1588

約数の個数: 36

約数和(自身を含む): 22971000

約数和(自身を除く): 9991929

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1549, 2793, 4647, 8379, 10843, 13941, 29431, 32529, 75901, 88293, 97587, 206017, 227703, 264879, 618051, 683109, 1442119, 1854153, 4326357, 12979071]

約数ペア:

[(1, 12979071), (3, 4326357), (7, 1854153), (9, 1442119), (19, 683109), (21, 618051), (49, 264879), (57, 227703), (63, 206017), (133, 97587), (147, 88293), (171, 75901), (399, 32529), (441, 29431), (931, 13941), (1197, 10843), (1549, 8379), (2793, 4647)]