28820853

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 46212320

約数和(自身を除く): 17391467

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 171, 183, 307, 513, 549, 921, 1159, 1539, 1647, 2763, 3477, 4941, 5833, 8289, 10431, 17499, 18727, 24867, 31293, 52497, 56181, 93879, 157491, 168543, 355813, 472473, 505629, 1067439, 1516887, 3202317, 9606951, 28820853]

約数ペア:

[(1, 28820853), (3, 9606951), (9, 3202317), (19, 1516887), (27, 1067439), (57, 505629), (61, 472473), (81, 355813), (171, 168543), (183, 157491), (307, 93879), (513, 56181), (549, 52497), (921, 31293), (1159, 24867), (1539, 18727), (1647, 17499), (2763, 10431), (3477, 8289), (4941, 5833)]