28077723

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 42197376

約数和(自身を除く): 14119653

約数列:

[1, 3, 9, 31, 93, 157, 279, 471, 641, 1413, 1923, 4867, 5769, 14601, 19871, 43803, 59613, 100637, 178839, 301911, 905733, 3119747, 9359241, 28077723]

約数ペア:

[(1, 28077723), (3, 9359241), (9, 3119747), (31, 905733), (93, 301911), (157, 178839), (279, 100637), (471, 59613), (641, 43803), (1413, 19871), (1923, 14601), (4867, 5769)]