81997539

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{19289}}^1$

素因数の和:19414

約数の個数: 16

約数和(自身を含む): 118826400

約数和(自身を除く): 36828861

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 19289, 57867, 250757, 752271, 2102501, 6307503, 27332513, 81997539]

約数ペア:

[(1, 81997539), (3, 27332513), (13, 6307503), (39, 2102501), (109, 752271), (327, 250757), (1417, 57867), (4251, 19289)]