123728229

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{3001}}^1$

素因数の和:3522

約数の個数: 20

約数和(自身を含む): 185253420

約数和(自身を除く): 61525191

約数列:

[1, 3, 9, 27, 81, 509, 1527, 3001, 4581, 9003, 13743, 27009, 41229, 81027, 243081, 1527509, 4582527, 13747581, 41242743, 123728229]

約数ペア:

[(1, 123728229), (3, 41242743), (9, 13747581), (27, 4582527), (81, 1527509), (509, 243081), (1527, 81027), (3001, 41229), (4581, 27009), (9003, 13743)]