67721885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{15991}}^1$

素因数の和:16025

約数の個数: 24

約数和(自身を含む): 102092928

約数和(自身を除く): 34371043

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 15991, 79955, 111937, 175901, 559685, 879505, 1231307, 1934911, 6156535, 9674555, 13544377, 67721885]

約数ペア:

[(1, 67721885), (5, 13544377), (7, 9674555), (11, 6156535), (35, 1934911), (55, 1231307), (77, 879505), (121, 559685), (385, 175901), (605, 111937), (847, 79955), (4235, 15991)]