12581667

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 22863360

約数和(自身を除く): 10281693

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 457, 483, 1197, 1311, 1371, 1449, 3059, 3199, 3933, 4113, 8683, 9177, 9597, 10511, 26049, 27531, 28791, 31533, 60781, 73577, 78147, 94599, 182343, 199709, 220731, 547029, 599127, 662193, 1397963, 1797381, 4193889, 12581667]

約数ペア:

[(1, 12581667), (3, 4193889), (7, 1797381), (9, 1397963), (19, 662193), (21, 599127), (23, 547029), (57, 220731), (63, 199709), (69, 182343), (133, 94599), (161, 78147), (171, 73577), (207, 60781), (399, 31533), (437, 28791), (457, 27531), (483, 26049), (1197, 10511), (1311, 9597), (1371, 9177), (1449, 8683), (3059, 4113), (3199, 3933)]