290832381

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{98221}}^1$

素因数の和:98281

約数の個数: 24

約数和(自身を含む): 490324224

約数和(自身を除く): 199491843

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 98221, 294663, 687547, 883989, 2062641, 4616387, 6187923, 13849161, 32314709, 41547483, 96944127, 290832381]

約数ペア:

[(1, 290832381), (3, 96944127), (7, 41547483), (9, 32314709), (21, 13849161), (47, 6187923), (63, 4616387), (141, 2062641), (329, 883989), (423, 687547), (987, 294663), (2961, 98221)]