15808221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 27361152

約数和(自身を除く): 11552931

約数列:

[1, 3, 9, 11, 13, 33, 39, 71, 99, 117, 143, 173, 213, 429, 519, 639, 781, 923, 1287, 1557, 1903, 2249, 2343, 2769, 5709, 6747, 7029, 8307, 10153, 12283, 17127, 20241, 24739, 30459, 36849, 74217, 91377, 110547, 135113, 159679, 222651, 405339, 479037, 1216017, 1437111, 1756469, 5269407, 15808221]

約数ペア:

[(1, 15808221), (3, 5269407), (9, 1756469), (11, 1437111), (13, 1216017), (33, 479037), (39, 405339), (71, 222651), (99, 159679), (117, 135113), (143, 110547), (173, 91377), (213, 74217), (429, 36849), (519, 30459), (639, 24739), (781, 20241), (923, 17127), (1287, 12283), (1557, 10153), (1903, 8307), (2249, 7029), (2343, 6747), (2769, 5709)]