11213811

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 19768320

約数和(自身を除く): 8554509

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 109, 161, 207, 213, 327, 483, 497, 639, 763, 981, 1449, 1491, 1633, 2289, 2507, 4473, 4899, 6867, 7521, 7739, 11431, 14697, 17549, 22563, 23217, 34293, 52647, 54173, 69651, 102879, 157941, 162519, 177997, 487557, 533991, 1245979, 1601973, 3737937, 11213811]

約数ペア:

[(1, 11213811), (3, 3737937), (7, 1601973), (9, 1245979), (21, 533991), (23, 487557), (63, 177997), (69, 162519), (71, 157941), (109, 102879), (161, 69651), (207, 54173), (213, 52647), (327, 34293), (483, 23217), (497, 22563), (639, 17549), (763, 14697), (981, 11431), (1449, 7739), (1491, 7521), (1633, 6867), (2289, 4899), (2507, 4473)]