236439

素因数分解:

$3^5\times 7^1\times {\mathrm{139}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 407680

約数和(自身を除く): 171241

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 243, 417, 567, 973, 1251, 1701, 2919, 3753, 8757, 11259, 26271, 33777, 78813, 236439]

約数ペア:

[(1, 236439), (3, 78813), (7, 33777), (9, 26271), (21, 11259), (27, 8757), (63, 3753), (81, 2919), (139, 1701), (189, 1251), (243, 973), (417, 567)]