12640023

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 21258720

約数和(自身を除く): 8618697

約数列:

[1, 3, 9, 11, 27, 33, 53, 73, 99, 121, 159, 219, 297, 363, 477, 583, 657, 803, 1089, 1431, 1749, 1971, 2409, 3267, 3869, 5247, 6413, 7227, 8833, 11607, 15741, 19239, 21681, 26499, 34821, 42559, 57717, 79497, 104463, 127677, 173151, 238491, 383031, 468149, 1149093, 1404447, 4213341, 12640023]

約数ペア:

[(1, 12640023), (3, 4213341), (9, 1404447), (11, 1149093), (27, 468149), (33, 383031), (53, 238491), (73, 173151), (99, 127677), (121, 104463), (159, 79497), (219, 57717), (297, 42559), (363, 34821), (477, 26499), (583, 21681), (657, 19239), (803, 15741), (1089, 11607), (1431, 8833), (1749, 7227), (1971, 6413), (2409, 5247), (3267, 3869)]