13255731

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{4423}}^1$

素因数の和:4472

約数の個数: 20

約数和(自身を含む): 20341552

約数和(自身を除く): 7085821

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 4423, 13269, 39807, 119421, 163651, 358263, 490953, 1472859, 4418577, 13255731]

約数ペア:

[(1, 13255731), (3, 4418577), (9, 1472859), (27, 490953), (37, 358263), (81, 163651), (111, 119421), (333, 39807), (999, 13269), (2997, 4423)]