13308025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 17670744

約数和(自身を除く): 4362719

約数列:

[1, 5, 17, 25, 85, 173, 181, 425, 865, 905, 2941, 3077, 4325, 4525, 14705, 15385, 31313, 73525, 76925, 156565, 532321, 782825, 2661605, 13308025]

約数ペア:

[(1, 13308025), (5, 2661605), (17, 782825), (25, 532321), (85, 156565), (173, 76925), (181, 73525), (425, 31313), (865, 15385), (905, 14705), (2941, 4525), (3077, 4325)]