31916985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 54079488

約数和(自身を除く): 22162503

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1303, 1633, 3909, 4899, 6515, 8165, 19545, 24495, 29969, 89907, 92513, 149845, 277539, 449535, 462565, 1387695, 2127799, 6383397, 10638995, 31916985]

約数ペア:

[(1, 31916985), (3, 10638995), (5, 6383397), (15, 2127799), (23, 1387695), (69, 462565), (71, 449535), (115, 277539), (213, 149845), (345, 92513), (355, 89907), (1065, 29969), (1303, 24495), (1633, 19545), (3909, 8165), (4899, 6515)]