81223401

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72977}}^1$

素因数の和:73040

約数の個数: 16

約数和(自身を含む): 126105984

約数和(自身を除く): 44882583

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 72977, 218931, 510839, 1532517, 3867781, 11603343, 27074467, 81223401]

約数ペア:

[(1, 81223401), (3, 27074467), (7, 11603343), (21, 3867781), (53, 1532517), (159, 510839), (371, 218931), (1113, 72977)]