27721995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37717}}^1$

素因数の和:37739

約数の個数: 24

約数和(自身を含む): 51598224

約数和(自身を除く): 23876229

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 37717, 113151, 188585, 264019, 565755, 792057, 1320095, 1848133, 3960285, 5544399, 9240665, 27721995]

約数ペア:

[(1, 27721995), (3, 9240665), (5, 5544399), (7, 3960285), (15, 1848133), (21, 1320095), (35, 792057), (49, 565755), (105, 264019), (147, 188585), (245, 113151), (735, 37717)]