40645269

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22247}}^1$

素因数の和:22289

約数の個数: 24

約数和(自身を含む): 69413760

約数和(自身を除く): 28768491

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 22247, 66741, 155729, 200223, 467187, 645163, 1401561, 1935489, 4516141, 5806467, 13548423, 40645269]

約数ペア:

[(1, 40645269), (3, 13548423), (7, 5806467), (9, 4516141), (21, 1935489), (29, 1401561), (63, 645163), (87, 467187), (203, 200223), (261, 155729), (609, 66741), (1827, 22247)]