27139375

素因数分解:

$5^4\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 20

約数和(自身を含む): 34245288

約数和(自身を除く): 7105913

約数列:

[1, 5, 25, 125, 173, 251, 625, 865, 1255, 4325, 6275, 21625, 31375, 43423, 108125, 156875, 217115, 1085575, 5427875, 27139375]

約数ペア:

[(1, 27139375), (5, 5427875), (25, 1085575), (125, 217115), (173, 156875), (251, 108125), (625, 43423), (865, 31375), (1255, 21625), (4325, 6275)]