81577485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1699}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 155937600

約数和(自身を除く): 74360115

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 97, 99, 165, 291, 485, 495, 873, 1067, 1455, 1699, 3201, 4365, 5097, 5335, 8495, 9603, 15291, 16005, 18689, 25485, 48015, 56067, 76455, 93445, 164803, 168201, 280335, 494409, 824015, 841005, 1483227, 1812833, 2472045, 5438499, 7416135, 9064165, 16315497, 27192495, 81577485]

約数ペア:

[(1, 81577485), (3, 27192495), (5, 16315497), (9, 9064165), (11, 7416135), (15, 5438499), (33, 2472045), (45, 1812833), (55, 1483227), (97, 841005), (99, 824015), (165, 494409), (291, 280335), (485, 168201), (495, 164803), (873, 93445), (1067, 76455), (1455, 56067), (1699, 48015), (3201, 25485), (4365, 18689), (5097, 16005), (5335, 15291), (8495, 9603)]