221361999

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{2347}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 298665600

約数和(自身を除く): 77303601

約数列:

[1, 3, 149, 211, 447, 633, 2347, 7041, 31439, 94317, 349703, 495217, 1049109, 1485651, 73787333, 221361999]

約数ペア:

[(1, 221361999), (3, 73787333), (149, 1485651), (211, 1049109), (447, 495217), (633, 349703), (2347, 94317), (7041, 31439)]