13245141

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 22982400

約数和(自身を除く): 9737259

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 239, 273, 377, 609, 637, 717, 1131, 1421, 1673, 1911, 2639, 3107, 4263, 5019, 6931, 7917, 9321, 11711, 18473, 20793, 21749, 35133, 48517, 55419, 65247, 90103, 145551, 152243, 270309, 339619, 456729, 630721, 1018857, 1892163, 4415047, 13245141]

約数ペア:

[(1, 13245141), (3, 4415047), (7, 1892163), (13, 1018857), (21, 630721), (29, 456729), (39, 339619), (49, 270309), (87, 152243), (91, 145551), (147, 90103), (203, 65247), (239, 55419), (273, 48517), (377, 35133), (609, 21749), (637, 20793), (717, 18473), (1131, 11711), (1421, 9321), (1673, 7917), (1911, 6931), (2639, 5019), (3107, 4263)]