1276191

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 2156544

約数和(自身を除く): 880353

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 431, 987, 1293, 2961, 3017, 3879, 9051, 20257, 27153, 60771, 141799, 182313, 425397, 1276191]

約数ペア:

[(1, 1276191), (3, 425397), (7, 182313), (9, 141799), (21, 60771), (47, 27153), (63, 20257), (141, 9051), (329, 3879), (423, 3017), (431, 2961), (987, 1293)]