778835205

素因数分解:

$3^2\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{8009}}^1$

素因数の和:10181

約数の個数: 24

約数和(自身を含む): 1350774360

約数和(自身を除く): 571939155

約数列:

[1, 3, 5, 9, 15, 45, 2161, 6483, 8009, 10805, 19449, 24027, 32415, 40045, 72081, 97245, 120135, 360405, 17307449, 51922347, 86537245, 155767041, 259611735, 778835205]

約数ペア:

[(1, 778835205), (3, 259611735), (5, 155767041), (9, 86537245), (15, 51922347), (45, 17307449), (2161, 360405), (6483, 120135), (8009, 97245), (10805, 72081), (19449, 40045), (24027, 32415)]