217626465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{4327}}^1$

素因数の和:4821

約数の個数: 32

約数和(自身を含む): 398868480

約数和(自身を除く): 181242015

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 479, 1437, 2395, 3353, 4327, 7185, 10059, 12981, 16765, 21635, 30289, 50295, 64905, 90867, 151445, 454335, 2072633, 6217899, 10363165, 14508431, 31089495, 43525293, 72542155, 217626465]

約数ペア:

[(1, 217626465), (3, 72542155), (5, 43525293), (7, 31089495), (15, 14508431), (21, 10363165), (35, 6217899), (105, 2072633), (479, 454335), (1437, 151445), (2395, 90867), (3353, 64905), (4327, 50295), (7185, 30289), (10059, 21635), (12981, 16765)]