2005808517

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 3048039280

約数和(自身を除く): 1042230763

約数列:

[1, 3, 9, 37, 73, 109, 111, 219, 327, 333, 657, 757, 981, 2271, 2701, 4033, 6813, 7957, 8103, 12099, 23871, 24309, 28009, 36297, 55261, 71613, 82513, 84027, 165783, 247539, 252081, 294409, 497349, 742617, 883227, 2044657, 2649681, 3052981, 6023449, 6133971, 9158943, 18070347, 18401913, 27476829, 54211041, 222867613, 668602839, 2005808517]

約数ペア:

[(1, 2005808517), (3, 668602839), (9, 222867613), (37, 54211041), (73, 27476829), (109, 18401913), (111, 18070347), (219, 9158943), (327, 6133971), (333, 6023449), (657, 3052981), (757, 2649681), (981, 2044657), (2271, 883227), (2701, 742617), (4033, 497349), (6813, 294409), (7957, 252081), (8103, 247539), (12099, 165783), (23871, 84027), (24309, 82513), (28009, 71613), (36297, 55261)]