29921815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{77719}}^1$

素因数の和:77742

約数の個数: 16

約数和(自身を含む): 44766720

約数和(自身を除く): 14844905

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 77719, 388595, 544033, 854909, 2720165, 4274545, 5984363, 29921815]

約数ペア:

[(1, 29921815), (5, 5984363), (7, 4274545), (11, 2720165), (35, 854909), (55, 544033), (77, 388595), (385, 77719)]