981007281

素因数分解:

$3^8\times {\mathrm{149521}}^1$

素因数の和:149545

約数の個数: 18

約数和(自身を含む): 1471446002

約数和(自身を除く): 490438721

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 149521, 448563, 1345689, 4037067, 12111201, 36333603, 109000809, 327002427, 981007281]

約数ペア:

[(1, 981007281), (3, 327002427), (9, 109000809), (27, 36333603), (81, 12111201), (243, 4037067), (729, 1345689), (2187, 448563), (6561, 149521)]