81231423

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 147474432

約数和(自身を除く): 66243009

約数列:

[1, 3, 7, 13, 17, 21, 23, 39, 51, 69, 91, 119, 161, 221, 273, 299, 357, 391, 483, 663, 761, 897, 1173, 1547, 2093, 2283, 2737, 4641, 5083, 5327, 6279, 8211, 9893, 12937, 15249, 15981, 17503, 29679, 35581, 38811, 52509, 69251, 90559, 106743, 122521, 168181, 207753, 227539, 271677, 297551, 367563, 504543, 682617, 892653, 1177267, 1592773, 2082857, 3531801, 3868163, 4778319, 6248571, 11604489, 27077141, 81231423]

約数ペア:

[(1, 81231423), (3, 27077141), (7, 11604489), (13, 6248571), (17, 4778319), (21, 3868163), (23, 3531801), (39, 2082857), (51, 1592773), (69, 1177267), (91, 892653), (119, 682617), (161, 504543), (221, 367563), (273, 297551), (299, 271677), (357, 227539), (391, 207753), (483, 168181), (663, 122521), (761, 106743), (897, 90559), (1173, 69251), (1547, 52509), (2093, 38811), (2283, 35581), (2737, 29679), (4641, 17503), (5083, 15981), (5327, 15249), (6279, 12937), (8211, 9893)]