18378327

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 27176688

約数和(自身を除く): 8798361

約数列:

[1, 3, 11, 33, 121, 197, 257, 363, 591, 771, 2167, 2827, 6501, 8481, 23837, 31097, 50629, 71511, 93291, 151887, 556919, 1670757, 6126109, 18378327]

約数ペア:

[(1, 18378327), (3, 6126109), (11, 1670757), (33, 556919), (121, 151887), (197, 93291), (257, 71511), (363, 50629), (591, 31097), (771, 23837), (2167, 8481), (2827, 6501)]