247637985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1181}}^1\times {\mathrm{1997}}^1$

素因数の和:3193

約数の個数: 32

約数和(自身を含む): 453434112

約数和(自身を除く): 205796127

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1181, 1997, 3543, 5905, 5991, 8267, 9985, 13979, 17715, 24801, 29955, 41335, 41937, 69895, 124005, 209685, 2358457, 7075371, 11792285, 16509199, 35376855, 49527597, 82545995, 247637985]

約数ペア:

[(1, 247637985), (3, 82545995), (5, 49527597), (7, 35376855), (15, 16509199), (21, 11792285), (35, 7075371), (105, 2358457), (1181, 209685), (1997, 124005), (3543, 69895), (5905, 41937), (5991, 41335), (8267, 29955), (9985, 24801), (13979, 17715)]