131655105

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 247104000

約数和(自身を除く): 115448895

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 109, 115, 135, 207, 327, 345, 389, 545, 621, 981, 1035, 1167, 1635, 1945, 2507, 2943, 3105, 3501, 4905, 5835, 7521, 8947, 10503, 12535, 14715, 17505, 22563, 26841, 37605, 42401, 44735, 52515, 67689, 80523, 112815, 127203, 134205, 212005, 241569, 338445, 381609, 402615, 636015, 975223, 1144827, 1207845, 1908045, 2925669, 4876115, 5724135, 8777007, 14628345, 26331021, 43885035, 131655105]

約数ペア:

[(1, 131655105), (3, 43885035), (5, 26331021), (9, 14628345), (15, 8777007), (23, 5724135), (27, 4876115), (45, 2925669), (69, 1908045), (109, 1207845), (115, 1144827), (135, 975223), (207, 636015), (327, 402615), (345, 381609), (389, 338445), (545, 241569), (621, 212005), (981, 134205), (1035, 127203), (1167, 112815), (1635, 80523), (1945, 67689), (2507, 52515), (2943, 44735), (3105, 42401), (3501, 37605), (4905, 26841), (5835, 22563), (7521, 17505), (8947, 14715), (10503, 12535)]