13481025

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1039}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 22439040

約数和(自身を除く): 8958015

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 1039, 2595, 3117, 4325, 5195, 12975, 15585, 25975, 77925, 179747, 539241, 898735, 2696205, 4493675, 13481025]

約数ペア:

[(1, 13481025), (3, 4493675), (5, 2696205), (15, 898735), (25, 539241), (75, 179747), (173, 77925), (519, 25975), (865, 15585), (1039, 12975), (2595, 5195), (3117, 4325)]