68906481

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{15551}}^1$

素因数の和:15772

約数の個数: 16

約数和(自身を含む): 105504768

約数和(自身を除く): 36598287

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 15551, 46653, 108857, 326571, 3281261, 9843783, 22968827, 68906481]

約数ペア:

[(1, 68906481), (3, 22968827), (7, 9843783), (21, 3281261), (211, 326571), (633, 108857), (1477, 46653), (4431, 15551)]