85815471

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2263

約数の個数: 32

約数和(自身を含む): 137261056

約数和(自身を除く): 51445585

約数列:

[1, 3, 7, 21, 31, 61, 93, 183, 217, 427, 651, 1281, 1891, 2161, 5673, 6483, 13237, 15127, 39711, 45381, 66991, 131821, 200973, 395463, 468937, 922747, 1406811, 2768241, 4086451, 12259353, 28605157, 85815471]

約数ペア:

[(1, 85815471), (3, 28605157), (7, 12259353), (21, 4086451), (31, 2768241), (61, 1406811), (93, 922747), (183, 468937), (217, 395463), (427, 200973), (651, 131821), (1281, 66991), (1891, 45381), (2161, 39711), (5673, 15127), (6483, 13237)]