215328729

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 382648320

約数和(自身を除く): 167319591

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 71, 77, 133, 209, 213, 231, 399, 497, 627, 691, 781, 1349, 1463, 1491, 2073, 2343, 4047, 4389, 4837, 5467, 7601, 9443, 13129, 14511, 14839, 16401, 22803, 28329, 39387, 44517, 49061, 53207, 91903, 103873, 144419, 147183, 159621, 275709, 311619, 343427, 433257, 539671, 932159, 1010933, 1030281, 1619013, 2796477, 3032799, 3777697, 6525113, 10253749, 11333091, 19575339, 30761247, 71776243, 215328729]

約数ペア:

[(1, 215328729), (3, 71776243), (7, 30761247), (11, 19575339), (19, 11333091), (21, 10253749), (33, 6525113), (57, 3777697), (71, 3032799), (77, 2796477), (133, 1619013), (209, 1030281), (213, 1010933), (231, 932159), (399, 539671), (497, 433257), (627, 343427), (691, 311619), (781, 275709), (1349, 159621), (1463, 147183), (1491, 144419), (2073, 103873), (2343, 91903), (4047, 53207), (4389, 49061), (4837, 44517), (5467, 39387), (7601, 28329), (9443, 22803), (13129, 16401), (14511, 14839)]