210980253

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2579}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 320002560

約数和(自身を除く): 109022307

約数列:

[1, 3, 11, 33, 37, 67, 111, 201, 407, 737, 1221, 2211, 2479, 2579, 7437, 7737, 27269, 28369, 81807, 85107, 95423, 172793, 286269, 518379, 1049653, 1900723, 3148959, 5702169, 6393341, 19180023, 70326751, 210980253]

約数ペア:

[(1, 210980253), (3, 70326751), (11, 19180023), (33, 6393341), (37, 5702169), (67, 3148959), (111, 1900723), (201, 1049653), (407, 518379), (737, 286269), (1221, 172793), (2211, 95423), (2479, 85107), (2579, 81807), (7437, 28369), (7737, 27269)]