218127

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 32

約数和(自身を含む): 387072

約数和(自身を除く): 168945

約数列:

[1, 3, 7, 13, 17, 21, 39, 47, 51, 91, 119, 141, 221, 273, 329, 357, 611, 663, 799, 987, 1547, 1833, 2397, 4277, 4641, 5593, 10387, 12831, 16779, 31161, 72709, 218127]

約数ペア:

[(1, 218127), (3, 72709), (7, 31161), (13, 16779), (17, 12831), (21, 10387), (39, 5593), (47, 4641), (51, 4277), (91, 2397), (119, 1833), (141, 1547), (221, 987), (273, 799), (329, 663), (357, 611)]