12783121971

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{12157}}^1\times {\mathrm{9473}}^1$

素因数の和:21670

約数の個数: 16

約数和(自身を含む): 17508103584

約数和(自身を除く): 4724981613

約数列:

[1, 3, 37, 111, 9473, 12157, 28419, 36471, 350501, 449809, 1051503, 1349427, 115163261, 345489783, 4261040657, 12783121971]

約数ペア:

[(1, 12783121971), (3, 4261040657), (37, 345489783), (111, 115163261), (9473, 1349427), (12157, 1051503), (28419, 449809), (36471, 350501)]