27791975

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 35747712

約数和(自身を除く): 7955737

約数列:

[1, 5, 25, 43, 103, 215, 251, 515, 1075, 1255, 2575, 4429, 6275, 10793, 22145, 25853, 53965, 110725, 129265, 269825, 646325, 1111679, 5558395, 27791975]

約数ペア:

[(1, 27791975), (5, 5558395), (25, 1111679), (43, 646325), (103, 269825), (215, 129265), (251, 110725), (515, 53965), (1075, 25853), (1255, 22145), (2575, 10793), (4429, 6275)]