7812819

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 13927680

約数和(自身を除く): 6114861

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 107, 133, 171, 183, 321, 399, 427, 549, 749, 963, 1159, 1197, 1281, 2033, 2247, 3477, 3843, 6099, 6527, 6741, 8113, 10431, 14231, 18297, 19581, 24339, 42693, 45689, 58743, 73017, 124013, 128079, 137067, 372039, 411201, 868091, 1116117, 2604273, 7812819]

約数ペア:

[(1, 7812819), (3, 2604273), (7, 1116117), (9, 868091), (19, 411201), (21, 372039), (57, 137067), (61, 128079), (63, 124013), (107, 73017), (133, 58743), (171, 45689), (183, 42693), (321, 24339), (399, 19581), (427, 18297), (549, 14231), (749, 10431), (963, 8113), (1159, 6741), (1197, 6527), (1281, 6099), (2033, 3843), (2247, 3477)]