13399883

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 16894800

約数和(自身を除く): 3494917

約数列:

[1, 7, 19, 37, 49, 133, 259, 389, 703, 931, 1813, 2723, 4921, 7391, 14393, 19061, 34447, 51737, 100751, 273467, 362159, 705257, 1914269, 13399883]

約数ペア:

[(1, 13399883), (7, 1914269), (19, 705257), (37, 362159), (49, 273467), (133, 100751), (259, 51737), (389, 34447), (703, 19061), (931, 14393), (1813, 7391), (2723, 4921)]