206834859

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 384640256

約数和(自身を除く): 177805397

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 121, 129, 231, 301, 363, 387, 473, 631, 693, 847, 903, 1089, 1419, 1893, 2541, 2709, 3311, 4257, 4417, 5203, 5679, 6941, 7623, 9933, 13251, 15609, 20823, 27133, 29799, 36421, 39753, 46827, 48587, 62469, 76351, 81399, 109263, 145761, 189931, 229053, 244197, 298463, 327789, 437283, 534457, 569793, 687159, 895389, 1603371, 1709379, 2089241, 2686167, 3283093, 4810113, 6267723, 9849279, 18803169, 22981651, 29547837, 68944953, 206834859]

約数ペア:

[(1, 206834859), (3, 68944953), (7, 29547837), (9, 22981651), (11, 18803169), (21, 9849279), (33, 6267723), (43, 4810113), (63, 3283093), (77, 2686167), (99, 2089241), (121, 1709379), (129, 1603371), (231, 895389), (301, 687159), (363, 569793), (387, 534457), (473, 437283), (631, 327789), (693, 298463), (847, 244197), (903, 229053), (1089, 189931), (1419, 145761), (1893, 109263), (2541, 81399), (2709, 76351), (3311, 62469), (4257, 48587), (4417, 46827), (5203, 39753), (5679, 36421), (6941, 29799), (7623, 27133), (9933, 20823), (13251, 15609)]