2689659

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 4924800

約数和(自身を除く): 2235141

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 107, 133, 147, 171, 189, 321, 399, 441, 513, 749, 931, 963, 1197, 1323, 2033, 2247, 2793, 2889, 3591, 5243, 6099, 6741, 8379, 14231, 15729, 18297, 20223, 25137, 42693, 47187, 54891, 99617, 128079, 141561, 298851, 384237, 896553, 2689659]

約数ペア:

[(1, 2689659), (3, 896553), (7, 384237), (9, 298851), (19, 141561), (21, 128079), (27, 99617), (49, 54891), (57, 47187), (63, 42693), (107, 25137), (133, 20223), (147, 18297), (171, 15729), (189, 14231), (321, 8379), (399, 6741), (441, 6099), (513, 5243), (749, 3591), (931, 2889), (963, 2793), (1197, 2247), (1323, 2033)]