2247887619

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{390869}}^1$

素因数の和:390952

約数の個数: 20

約数和(自身を含む): 3405259440

約数和(自身を除く): 1157371821

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 390869, 1172607, 3517821, 10553463, 27751699, 31660389, 83255097, 249765291, 749295873, 2247887619]

約数ペア:

[(1, 2247887619), (3, 749295873), (9, 249765291), (27, 83255097), (71, 31660389), (81, 27751699), (213, 10553463), (639, 3517821), (1917, 1172607), (5751, 390869)]