12880203

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 21035520

約数和(自身を除く): 8155317

約数列:

[1, 3, 7, 17, 21, 51, 109, 119, 327, 331, 357, 763, 993, 1853, 2289, 2317, 5559, 5627, 6951, 12971, 16881, 36079, 38913, 39389, 108237, 118167, 252553, 613343, 757659, 1840029, 4293401, 12880203]

約数ペア:

[(1, 12880203), (3, 4293401), (7, 1840029), (17, 757659), (21, 613343), (51, 252553), (109, 118167), (119, 108237), (327, 39389), (331, 38913), (357, 36079), (763, 16881), (993, 12971), (1853, 6951), (2289, 5627), (2317, 5559)]