987333879

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8221}}^1$

素因数の和:8300

約数の個数: 48

約数和(自身を含む): 1649662080

約数和(自身を除く): 662328201

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 301, 399, 817, 903, 931, 2107, 2451, 2793, 5719, 6321, 8221, 17157, 24663, 40033, 57547, 120099, 156199, 172641, 353503, 402829, 468597, 1060509, 1093393, 1208487, 2474521, 3280179, 6716557, 7423563, 7653751, 17321647, 20149671, 22961253, 47015899, 51964941, 141047697, 329111293, 987333879]

約数ペア:

[(1, 987333879), (3, 329111293), (7, 141047697), (19, 51964941), (21, 47015899), (43, 22961253), (49, 20149671), (57, 17321647), (129, 7653751), (133, 7423563), (147, 6716557), (301, 3280179), (399, 2474521), (817, 1208487), (903, 1093393), (931, 1060509), (2107, 468597), (2451, 402829), (2793, 353503), (5719, 172641), (6321, 156199), (8221, 120099), (17157, 57547), (24663, 40033)]