4138209

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{1087}}^1$

素因数の和:1146

約数の個数: 20

約数和(自身を含む): 6319104

約数和(自身を除く): 2180895

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1087, 1269, 3261, 3807, 9783, 29349, 51089, 88047, 153267, 459801, 1379403, 4138209]

約数ペア:

[(1, 4138209), (3, 1379403), (9, 459801), (27, 153267), (47, 88047), (81, 51089), (141, 29349), (423, 9783), (1087, 3807), (1269, 3261)]