11979177

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4325

約数の個数: 24

約数和(自身を含む): 19562400

約数和(自身を除く): 7583223

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4289, 12867, 30023, 81491, 90069, 210161, 244473, 570437, 630483, 1711311, 3993059, 11979177]

約数ペア:

[(1, 11979177), (3, 3993059), (7, 1711311), (19, 630483), (21, 570437), (49, 244473), (57, 210161), (133, 90069), (147, 81491), (399, 30023), (931, 12867), (2793, 4289)]