2818678947

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{79847}}^1$

素因数の和:79939

約数の個数: 24

約数和(自身を含む): 4402499328

約数和(自身を除く): 1583820381

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1681, 5043, 11767, 35301, 79847, 239541, 558929, 1676787, 3273727, 9821181, 22916089, 68748267, 134222807, 402668421, 939559649, 2818678947]

約数ペア:

[(1, 2818678947), (3, 939559649), (7, 402668421), (21, 134222807), (41, 68748267), (123, 22916089), (287, 9821181), (861, 3273727), (1681, 1676787), (5043, 558929), (11767, 239541), (35301, 79847)]