81535671

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{17729}}^1$

素因数の和:17815

約数の個数: 24

約数和(自身を含む): 136450080

約数和(自身を除く): 54914409

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 17729, 53187, 124103, 159561, 372309, 1116927, 1294217, 3882651, 9059519, 11647953, 27178557, 81535671]

約数ペア:

[(1, 81535671), (3, 27178557), (7, 11647953), (9, 9059519), (21, 3882651), (63, 1294217), (73, 1116927), (219, 372309), (511, 159561), (657, 124103), (1533, 53187), (4599, 17729)]