19831791

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 31408128

約数和(自身を除く): 11576337

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 283, 329, 497, 849, 987, 1491, 1981, 3337, 5943, 10011, 13301, 20093, 23359, 39903, 60279, 70077, 93107, 140651, 279321, 421953, 944371, 2833113, 6610597, 19831791]

約数ペア:

[(1, 19831791), (3, 6610597), (7, 2833113), (21, 944371), (47, 421953), (71, 279321), (141, 140651), (213, 93107), (283, 70077), (329, 60279), (497, 39903), (849, 23359), (987, 20093), (1491, 13301), (1981, 10011), (3337, 5943)]