69780496989

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{195463577}}^1$

素因数の和:195463604

約数の個数: 16

約数和(自身を含む): 112587020928

約数和(自身を除く): 42806523939

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 195463577, 586390731, 1368245039, 3322880809, 4104735117, 9968642427, 23260165663, 69780496989]

約数ペア:

[(1, 69780496989), (3, 23260165663), (7, 9968642427), (17, 4104735117), (21, 3322880809), (51, 1368245039), (119, 586390731), (357, 195463577)]