75428865

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{9689}}^1$

素因数の和:9873

約数の個数: 24

約数和(自身を含む): 131512680

約数和(自身を除く): 56083815

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 9689, 29067, 48445, 87201, 145335, 436005, 1676197, 5028591, 8380985, 15085773, 25142955, 75428865]

約数ペア:

[(1, 75428865), (3, 25142955), (5, 15085773), (9, 8380985), (15, 5028591), (45, 1676197), (173, 436005), (519, 145335), (865, 87201), (1557, 48445), (2595, 29067), (7785, 9689)]