64978131

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{1571}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 91905408

約数和(自身を除く): 26927277

約数列:

[1, 3, 17, 51, 811, 1571, 2433, 4713, 13787, 26707, 41361, 80121, 1274081, 3822243, 21659377, 64978131]

約数ペア:

[(1, 64978131), (3, 21659377), (17, 3822243), (51, 1274081), (811, 80121), (1571, 41361), (2433, 26707), (4713, 13787)]