28341687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19973}}^1$

素因数の和:20030

約数の個数: 16

約数和(自身を含む): 42185088

約数和(自身を除く): 13843401

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 19973, 59919, 219703, 659109, 858839, 2576517, 9447229, 28341687]

約数ペア:

[(1, 28341687), (3, 9447229), (11, 2576517), (33, 858839), (43, 659109), (129, 219703), (473, 59919), (1419, 19973)]