215921233

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2837}}^1$

素因数の和:2913

約数の個数: 24

約数和(自身を含む): 258178536

約数和(自身を除く): 42257303

約数列:

[1, 11, 17, 37, 121, 187, 407, 629, 2057, 2837, 4477, 6919, 31207, 48229, 76109, 104969, 343277, 530519, 1154659, 1784473, 5835709, 12701249, 19629203, 215921233]

約数ペア:

[(1, 215921233), (11, 19629203), (17, 12701249), (37, 5835709), (121, 1784473), (187, 1154659), (407, 530519), (629, 343277), (2057, 104969), (2837, 76109), (4477, 48229), (6919, 31207)]