1220457

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 1883520

約数和(自身を除く): 663063

約数列:

[1, 3, 7, 21, 89, 267, 623, 653, 1869, 1959, 4571, 13713, 58117, 174351, 406819, 1220457]

約数ペア:

[(1, 1220457), (3, 406819), (7, 174351), (21, 58117), (89, 13713), (267, 4571), (623, 1959), (653, 1869)]