27625941

素因数分解:

$3^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 48048000

約数和(自身を除く): 20422059

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 149, 189, 243, 327, 447, 567, 763, 981, 1043, 1341, 1701, 2289, 2943, 3129, 4023, 6867, 8829, 9387, 12069, 16241, 20601, 26487, 28161, 36207, 48723, 61803, 84483, 113687, 146169, 185409, 253449, 341061, 438507, 1023183, 1315521, 3069549, 3946563, 9208647, 27625941]

約数ペア:

[(1, 27625941), (3, 9208647), (7, 3946563), (9, 3069549), (21, 1315521), (27, 1023183), (63, 438507), (81, 341061), (109, 253449), (149, 185409), (189, 146169), (243, 113687), (327, 84483), (447, 61803), (567, 48723), (763, 36207), (981, 28161), (1043, 26487), (1341, 20601), (1701, 16241), (2289, 12069), (2943, 9387), (3129, 8829), (4023, 6867)]