201540717

素因数分解:

$3^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1861}}^1$

素因数の和:2071

約数の個数: 40

約数和(自身を含む): 346063872

約数和(自身を除く): 144523155

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 191, 567, 573, 1337, 1719, 1861, 4011, 5157, 5583, 12033, 13027, 15471, 16749, 36099, 39081, 50247, 108297, 117243, 150741, 351729, 355451, 1055187, 1066353, 2488157, 3199059, 7464471, 9597177, 22393413, 28791531, 67180239, 201540717]

約数ペア:

[(1, 201540717), (3, 67180239), (7, 28791531), (9, 22393413), (21, 9597177), (27, 7464471), (63, 3199059), (81, 2488157), (189, 1066353), (191, 1055187), (567, 355451), (573, 351729), (1337, 150741), (1719, 117243), (1861, 108297), (4011, 50247), (5157, 39081), (5583, 36099), (12033, 16749), (13027, 15471)]