12656241

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 20297628

約数和(自身を除く): 7641387

約数列:

[1, 3, 9, 13, 39, 53, 117, 157, 159, 169, 471, 477, 507, 689, 1413, 1521, 2041, 2067, 6123, 6201, 8321, 8957, 18369, 24963, 26533, 26871, 74889, 79599, 80613, 108173, 238797, 324519, 973557, 1406249, 4218747, 12656241]

約数ペア:

[(1, 12656241), (3, 4218747), (9, 1406249), (13, 973557), (39, 324519), (53, 238797), (117, 108173), (157, 80613), (159, 79599), (169, 74889), (471, 26871), (477, 26533), (507, 24963), (689, 18369), (1413, 8957), (1521, 8321), (2041, 6201), (2067, 6123)]