678440169

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{10691}}^1$

素因数の和:11349

約数の個数: 24

約数和(自身を含む): 1070825184

約数和(自身を除く): 392385015

約数列:

[1, 3, 9, 11, 33, 99, 641, 1923, 5769, 7051, 10691, 21153, 32073, 63459, 96219, 117601, 352803, 1058409, 6852931, 20558793, 61676379, 75382241, 226146723, 678440169]

約数ペア:

[(1, 678440169), (3, 226146723), (9, 75382241), (11, 61676379), (33, 20558793), (99, 6852931), (641, 1058409), (1923, 352803), (5769, 117601), (7051, 96219), (10691, 63459), (21153, 32073)]