131216.0000000

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 9521280

約数和(自身を除く): 4206201

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 173, 209, 231, 399, 519, 539, 627, 931, 1211, 1463, 1617, 1903, 2793, 3287, 3633, 4389, 5709, 8477, 9861, 10241, 13321, 23009, 25431, 30723, 36157, 39963, 69027, 93247, 108471, 161063, 253099, 279741, 483189, 759297, 1771693, 5315079]

約数ペア:

[(1, 5315079), (3, 1771693), (7, 759297), (11, 483189), (19, 279741), (21, 253099), (33, 161063), (49, 108471), (57, 93247), (77, 69027), (133, 39963), (147, 36157), (173, 30723), (209, 25431), (231, 23009), (399, 13321), (519, 10241), (539, 9861), (627, 8477), (931, 5709), (1211, 4389), (1463, 3633), (1617, 3287), (1903, 2793)]