223406145

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{28697}}^1$

素因数の和:28881

約数の個数: 24

約数和(自身を含む): 389489256

約数和(自身を除く): 166083111

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 28697, 86091, 143485, 258273, 430455, 1291365, 4964581, 14893743, 24822905, 44681229, 74468715, 223406145]

約数ペア:

[(1, 223406145), (3, 74468715), (5, 44681229), (9, 24822905), (15, 14893743), (45, 4964581), (173, 1291365), (519, 430455), (865, 258273), (1557, 143485), (2595, 86091), (7785, 28697)]