257942313

素因数分解:

$3^5\times {\mathrm{467}}^1\times {\mathrm{2273}}^1$

素因数の和:2755

約数の個数: 24

約数和(自身を含む): 387380448

約数和(自身を除く): 129438135

約数列:

[1, 3, 9, 27, 81, 243, 467, 1401, 2273, 4203, 6819, 12609, 20457, 37827, 61371, 113481, 184113, 552339, 1061491, 3184473, 9553419, 28660257, 85980771, 257942313]

約数ペア:

[(1, 257942313), (3, 85980771), (9, 28660257), (27, 9553419), (81, 3184473), (243, 1061491), (467, 552339), (1401, 184113), (2273, 113481), (4203, 61371), (6819, 37827), (12609, 20457)]