217219005

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{26669}}^1$

素因数の和:26861

約数の個数: 24

約数和(自身を含む): 378607320

約数和(自身を除く): 161388315

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 8145, 26669, 80007, 133345, 240021, 400035, 1200105, 4827089, 14481267, 24135445, 43443801, 72406335, 217219005]

約数ペア:

[(1, 217219005), (3, 72406335), (5, 43443801), (9, 24135445), (15, 14481267), (45, 4827089), (181, 1200105), (543, 400035), (905, 240021), (1629, 133345), (2715, 80007), (8145, 26669)]