1390077

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:237

約数の個数: 18

約数和(自身を含む): 2182362

約数和(自身を除く): 792285

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 4251, 11881, 12753, 35643, 106929, 154453, 463359, 1390077]

約数ペア:

[(1, 1390077), (3, 463359), (9, 154453), (13, 106929), (39, 35643), (109, 12753), (117, 11881), (327, 4251), (981, 1417)]