89721471

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 141918208

約数和(自身を除く): 52196737

約数列:

[1, 3, 7, 21, 31, 93, 217, 283, 487, 651, 849, 1461, 1981, 3409, 5943, 8773, 10227, 15097, 26319, 45291, 61411, 105679, 137821, 184233, 317037, 413463, 964747, 2894241, 4272451, 12817353, 29907157, 89721471]

約数ペア:

[(1, 89721471), (3, 29907157), (7, 12817353), (21, 4272451), (31, 2894241), (93, 964747), (217, 413463), (283, 317037), (487, 184233), (651, 137821), (849, 105679), (1461, 61411), (1981, 45291), (3409, 26319), (5943, 15097), (8773, 10227)]