26839491

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 42467328

約数和(自身を除く): 15627837

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 383, 497, 987, 1149, 1491, 2681, 3337, 8043, 10011, 18001, 23359, 27193, 54003, 70077, 81579, 126007, 190351, 378021, 571053, 1278071, 3834213, 8946497, 26839491]

約数ペア:

[(1, 26839491), (3, 8946497), (7, 3834213), (21, 1278071), (47, 571053), (71, 378021), (141, 190351), (213, 126007), (329, 81579), (383, 70077), (497, 54003), (987, 27193), (1149, 23359), (1491, 18001), (2681, 10011), (3337, 8043)]