215689103

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{10247}}^1$

素因数の和:10382

約数の個数: 16

約数和(自身を含む): 257101824

約数和(自身を除く): 41412721

約数列:

[1, 7, 31, 97, 217, 679, 3007, 10247, 21049, 71729, 317657, 993959, 2223599, 6957713, 30812729, 215689103]

約数ペア:

[(1, 215689103), (7, 30812729), (31, 6957713), (97, 2223599), (217, 993959), (679, 317657), (3007, 71729), (10247, 21049)]