268269561

素因数分解:

$3^2\times 7^3\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 472492800

約数和(自身を除く): 204223239

約数列:

[1, 3, 7, 9, 21, 43, 47, 49, 63, 129, 141, 147, 301, 329, 343, 387, 423, 441, 903, 987, 1029, 1849, 2021, 2107, 2303, 2709, 2961, 3087, 5547, 6063, 6321, 6909, 12943, 14147, 14749, 16121, 16641, 18189, 18963, 20727, 38829, 42441, 44247, 48363, 86903, 90601, 99029, 116487, 127323, 132741, 145089, 260709, 271803, 297087, 608321, 634207, 693203, 782127, 815409, 891261, 1824963, 1902621, 2079609, 4258247, 5474889, 5707863, 6238827, 12774741, 29807729, 38324223, 89423187, 268269561]

約数ペア:

[(1, 268269561), (3, 89423187), (7, 38324223), (9, 29807729), (21, 12774741), (43, 6238827), (47, 5707863), (49, 5474889), (63, 4258247), (129, 2079609), (141, 1902621), (147, 1824963), (301, 891261), (329, 815409), (343, 782127), (387, 693203), (423, 634207), (441, 608321), (903, 297087), (987, 271803), (1029, 260709), (1849, 145089), (2021, 132741), (2107, 127323), (2303, 116487), (2709, 99029), (2961, 90601), (3087, 86903), (5547, 48363), (6063, 44247), (6321, 42441), (6909, 38829), (12943, 20727), (14147, 18963), (14749, 18189), (16121, 16641)]