18746343

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 35389440

約数和(自身を除く): 16643097

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 71, 77, 99, 127, 189, 213, 231, 297, 381, 497, 639, 693, 781, 889, 1143, 1397, 1491, 1917, 2079, 2343, 2667, 3429, 4191, 4473, 5467, 7029, 8001, 9017, 9779, 12573, 13419, 16401, 21087, 24003, 27051, 29337, 37719, 49203, 63119, 81153, 88011, 99187, 147609, 189357, 243459, 264033, 297561, 568071, 694309, 892683, 1704213, 2082927, 2678049, 6248781, 18746343]

約数ペア:

[(1, 18746343), (3, 6248781), (7, 2678049), (9, 2082927), (11, 1704213), (21, 892683), (27, 694309), (33, 568071), (63, 297561), (71, 264033), (77, 243459), (99, 189357), (127, 147609), (189, 99187), (213, 88011), (231, 81153), (297, 63119), (381, 49203), (497, 37719), (639, 29337), (693, 27051), (781, 24003), (889, 21087), (1143, 16401), (1397, 13419), (1491, 12573), (1917, 9779), (2079, 9017), (2343, 8001), (2667, 7029), (3429, 5467), (4191, 4473)]