15645765

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 25952256

約数和(自身を除く): 10306491

約数列:

[1, 3, 5, 15, 43, 127, 129, 191, 215, 381, 573, 635, 645, 955, 1905, 2865, 5461, 8213, 16383, 24257, 24639, 27305, 41065, 72771, 81915, 121285, 123195, 363855, 1043051, 3129153, 5215255, 15645765]

約数ペア:

[(1, 15645765), (3, 5215255), (5, 3129153), (15, 1043051), (43, 363855), (127, 123195), (129, 121285), (191, 81915), (215, 72771), (381, 41065), (573, 27305), (635, 24639), (645, 24257), (955, 16383), (1905, 8213), (2865, 5461)]