68716921

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2003}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 88015680

約数和(自身を除く): 19298759

約数列:

[1, 7, 13, 29, 91, 169, 203, 377, 1183, 2003, 2639, 4901, 14021, 26039, 34307, 58087, 182273, 338507, 406609, 755131, 2369549, 5285917, 9816703, 68716921]

約数ペア:

[(1, 68716921), (7, 9816703), (13, 5285917), (29, 2369549), (91, 755131), (169, 406609), (203, 338507), (377, 182273), (1183, 58087), (2003, 34307), (2639, 26039), (4901, 14021)]