68987985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{418109}}^1$

素因数の和:418128

約数の個数: 16

約数和(自身を含む): 120415680

約数和(自身を除く): 51427695

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 418109, 1254327, 2090545, 4599199, 6271635, 13797597, 22995995, 68987985]

約数ペア:

[(1, 68987985), (3, 22995995), (5, 13797597), (11, 6271635), (15, 4599199), (33, 2090545), (55, 1254327), (165, 418109)]