2580821229

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{138241}}^1$

素因数の和:138385

約数の個数: 24

約数和(自身を含む): 4034454528

約数和(自身を除く): 1453633299

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 2667, 6223, 18669, 138241, 414723, 967687, 2903061, 6773809, 17556607, 20321427, 52669821, 122896249, 368688747, 860273743, 2580821229]

約数ペア:

[(1, 2580821229), (3, 860273743), (7, 368688747), (21, 122896249), (49, 52669821), (127, 20321427), (147, 17556607), (381, 6773809), (889, 2903061), (2667, 967687), (6223, 414723), (18669, 138241)]