256569729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10459}}^1$

素因数の和:10529

約数の個数: 32

約数和(自身を含む): 400659840

約数和(自身を除く): 144090111

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1887, 8177, 10459, 24531, 31377, 135967, 177803, 386983, 407901, 533409, 1160949, 2311439, 5030779, 6578711, 6934317, 15092337, 19736133, 85523243, 256569729]

約数ペア:

[(1, 256569729), (3, 85523243), (13, 19736133), (17, 15092337), (37, 6934317), (39, 6578711), (51, 5030779), (111, 2311439), (221, 1160949), (481, 533409), (629, 407901), (663, 386983), (1443, 177803), (1887, 135967), (8177, 31377), (10459, 24531)]