2800665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 5885568

約数和(自身を除く): 3084903

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 523, 595, 765, 1071, 1569, 1785, 2615, 3661, 4707, 5355, 7845, 8891, 10983, 18305, 23535, 26673, 32949, 44455, 54915, 62237, 80019, 133365, 164745, 186711, 311185, 400095, 560133, 933555, 2800665]

約数ペア:

[(1, 2800665), (3, 933555), (5, 560133), (7, 400095), (9, 311185), (15, 186711), (17, 164745), (21, 133365), (35, 80019), (45, 62237), (51, 54915), (63, 44455), (85, 32949), (105, 26673), (119, 23535), (153, 18305), (255, 10983), (315, 8891), (357, 7845), (523, 5355), (595, 4707), (765, 3661), (1071, 2615), (1569, 1785)]