2069778879

素因数分解:

$3^3\times 7^1\times {\mathrm{1831}}^1\times {\mathrm{5981}}^1$

素因数の和:7828

約数の個数: 32

約数和(自身を含む): 3506887680

約数和(自身を除く): 1437108801

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1831, 5493, 5981, 12817, 16479, 17943, 38451, 41867, 49437, 53829, 115353, 125601, 161487, 346059, 376803, 1130409, 10951211, 32853633, 76658477, 98560899, 229975431, 295682697, 689926293, 2069778879]

約数ペア:

[(1, 2069778879), (3, 689926293), (7, 295682697), (9, 229975431), (21, 98560899), (27, 76658477), (63, 32853633), (189, 10951211), (1831, 1130409), (5493, 376803), (5981, 346059), (12817, 161487), (16479, 125601), (17943, 115353), (38451, 53829), (41867, 49437)]