1371681

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:613

約数の個数: 16

約数和(自身を含む): 2056320

約数和(自身を除く): 684639

約数列:

[1, 3, 9, 27, 101, 303, 503, 909, 1509, 2727, 4527, 13581, 50803, 152409, 457227, 1371681]

約数ペア:

[(1, 1371681), (3, 457227), (9, 152409), (27, 50803), (101, 13581), (303, 4527), (503, 2727), (909, 1509)]