17793909

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 30206124

約数和(自身を除く): 12412215

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 257, 441, 471, 771, 1099, 1413, 1799, 2313, 3297, 5397, 7693, 9891, 12593, 16191, 23079, 37779, 40349, 69237, 113337, 121047, 282443, 363141, 847329, 1977101, 2541987, 5931303, 17793909]

約数ペア:

[(1, 17793909), (3, 5931303), (7, 2541987), (9, 1977101), (21, 847329), (49, 363141), (63, 282443), (147, 121047), (157, 113337), (257, 69237), (441, 40349), (471, 37779), (771, 23079), (1099, 16191), (1413, 12593), (1799, 9891), (2313, 7693), (3297, 5397)]