28669809

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4447}}^1$

素因数の和:4764

約数の個数: 16

約数和(自身を含む): 43839488

約数和(自身を除く): 15169679

約数列:

[1, 3, 7, 21, 307, 921, 2149, 4447, 6447, 13341, 31129, 93387, 1365229, 4095687, 9556603, 28669809]

約数ペア:

[(1, 28669809), (3, 9556603), (7, 4095687), (21, 1365229), (307, 93387), (921, 31129), (2149, 13341), (4447, 6447)]