217728525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{414721}}^1$

素因数の和:414741

約数の個数: 24

約数和(自身を含む): 411404224

約数和(自身を除く): 193675699

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 414721, 1244163, 2073605, 2903047, 6220815, 8709141, 10368025, 14515235, 31104075, 43545705, 72576175, 217728525]

約数ペア:

[(1, 217728525), (3, 72576175), (5, 43545705), (7, 31104075), (15, 14515235), (21, 10368025), (25, 8709141), (35, 6220815), (75, 2903047), (105, 2073605), (175, 1244163), (525, 414721)]