27813681

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2963}}^1$

素因数の和:3125

約数の個数: 24

約数和(自身を含む): 46238400

約数和(自身を除く): 18424719

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 2963, 3129, 8889, 9387, 20741, 26667, 62223, 186669, 441487, 1324461, 3090409, 3973383, 9271227, 27813681]

約数ペア:

[(1, 27813681), (3, 9271227), (7, 3973383), (9, 3090409), (21, 1324461), (63, 441487), (149, 186669), (447, 62223), (1043, 26667), (1341, 20741), (2963, 9387), (3129, 8889)]