208034757

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 159683643

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 71, 111, 189, 213, 259, 333, 419, 497, 639, 777, 999, 1257, 1491, 1917, 2331, 2627, 2933, 3771, 4473, 6993, 7881, 8799, 11313, 13419, 15503, 18389, 23643, 26397, 29749, 46509, 55167, 70929, 79191, 89247, 108521, 139527, 165501, 208243, 267741, 325563, 418581, 496503, 624729, 803223, 976689, 1100713, 1874187, 2930067, 3302139, 5622561, 7704991, 9906417, 23114973, 29719251, 69344919, 208034757]

約数ペア:

[(1, 208034757), (3, 69344919), (7, 29719251), (9, 23114973), (21, 9906417), (27, 7704991), (37, 5622561), (63, 3302139), (71, 2930067), (111, 1874187), (189, 1100713), (213, 976689), (259, 803223), (333, 624729), (419, 496503), (497, 418581), (639, 325563), (777, 267741), (999, 208243), (1257, 165501), (1491, 139527), (1917, 108521), (2331, 89247), (2627, 79191), (2933, 70929), (3771, 55167), (4473, 46509), (6993, 29749), (7881, 26397), (8799, 23643), (11313, 18389), (13419, 15503)]