7121439

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{6763}}^1$

素因数の和:6788

約数の個数: 20

約数和(自身を含む): 11458216

約数和(自身を除く): 4336777

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 6763, 20289, 60867, 87919, 182601, 263757, 547803, 791271, 2373813, 7121439]

約数ペア:

[(1, 7121439), (3, 2373813), (9, 791271), (13, 547803), (27, 263757), (39, 182601), (81, 87919), (117, 60867), (351, 20289), (1053, 6763)]