12678771

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 20275200

約数和(自身を除く): 7596429

約数列:

[1, 3, 7, 21, 29, 87, 109, 191, 203, 327, 573, 609, 763, 1337, 2289, 3161, 4011, 5539, 9483, 16617, 20819, 22127, 38773, 62457, 66381, 116319, 145733, 437199, 603751, 1811253, 4226257, 12678771]

約数ペア:

[(1, 12678771), (3, 4226257), (7, 1811253), (21, 603751), (29, 437199), (87, 145733), (109, 116319), (191, 66381), (203, 62457), (327, 38773), (573, 22127), (609, 20819), (763, 16617), (1337, 9483), (2289, 5539), (3161, 4011)]