209218557

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5503}}^1$

素因数の和:5577

約数の個数: 32

約数和(自身を含む): 317030400

約数和(自身を除く): 107811843

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 551, 667, 1311, 1653, 2001, 5503, 12673, 16509, 38019, 104557, 126569, 159587, 313671, 379707, 478761, 2404811, 3032153, 3670501, 7214433, 9096459, 11011503, 69739519, 209218557]

約数ペア:

[(1, 209218557), (3, 69739519), (19, 11011503), (23, 9096459), (29, 7214433), (57, 3670501), (69, 3032153), (87, 2404811), (437, 478761), (551, 379707), (667, 313671), (1311, 159587), (1653, 126569), (2001, 104557), (5503, 38019), (12673, 16509)]