12938913

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 20858880

約数和(自身を除く): 7919967

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 193, 351, 573, 579, 1719, 1737, 2483, 2509, 5157, 5211, 7449, 7527, 22347, 22581, 36863, 67041, 67743, 110589, 331767, 479219, 995301, 1437657, 4312971, 12938913]

約数ペア:

[(1, 12938913), (3, 4312971), (9, 1437657), (13, 995301), (27, 479219), (39, 331767), (117, 110589), (191, 67743), (193, 67041), (351, 36863), (573, 22581), (579, 22347), (1719, 7527), (1737, 7449), (2483, 5211), (2509, 5157)]