161569443

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 251182080

約数和(自身を除く): 89612637

約数列:

[1, 3, 7, 21, 89, 137, 267, 411, 623, 631, 959, 1869, 1893, 2877, 4417, 12193, 13251, 36579, 56159, 85351, 86447, 168477, 256053, 259341, 393113, 605129, 1179339, 1815387, 7693783, 23081349, 53856481, 161569443]

約数ペア:

[(1, 161569443), (3, 53856481), (7, 23081349), (21, 7693783), (89, 1815387), (137, 1179339), (267, 605129), (411, 393113), (623, 259341), (631, 256053), (959, 168477), (1869, 86447), (1893, 85351), (2877, 56159), (4417, 36579), (12193, 13251)]