65976981

素因数分解:

$3^1\times 7^2\times {\mathrm{479}}^1\times {\mathrm{937}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 102654720

約数和(自身を除く): 36677739

約数列:

[1, 3, 7, 21, 49, 147, 479, 937, 1437, 2811, 3353, 6559, 10059, 19677, 23471, 45913, 70413, 137739, 448823, 1346469, 3141761, 9425283, 21992327, 65976981]

約数ペア:

[(1, 65976981), (3, 21992327), (7, 9425283), (21, 3141761), (49, 1346469), (147, 448823), (479, 137739), (937, 70413), (1437, 45913), (2811, 23471), (3353, 19677), (6559, 10059)]