74124639

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{12889}}^1$

素因数の和:12972

約数の個数: 20

約数和(自身を含む): 112297680

約数和(自身を除く): 38173041

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 12889, 38667, 116001, 348003, 915119, 1044009, 2745357, 8236071, 24708213, 74124639]

約数ペア:

[(1, 74124639), (3, 24708213), (9, 8236071), (27, 2745357), (71, 1044009), (81, 915119), (213, 348003), (639, 116001), (1917, 38667), (5751, 12889)]