13325841

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 20520864

約数和(自身を除く): 7195023

約数列:

[1, 3, 9, 17, 51, 153, 251, 347, 753, 1041, 2259, 3123, 4267, 5899, 12801, 17697, 38403, 53091, 87097, 261291, 783873, 1480649, 4441947, 13325841]

約数ペア:

[(1, 13325841), (3, 4441947), (9, 1480649), (17, 783873), (51, 261291), (153, 87097), (251, 53091), (347, 38403), (753, 17697), (1041, 12801), (2259, 5899), (3123, 4267)]