71748225

素因数分解:

$3^2\times 5^2\times {\mathrm{318881}}^1$

素因数の和:318897

約数の個数: 18

約数和(自身を含む): 128509446

約数和(自身を除く): 56761221

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 318881, 956643, 1594405, 2869929, 4783215, 7972025, 14349645, 23916075, 71748225]

約数ペア:

[(1, 71748225), (3, 23916075), (5, 14349645), (9, 7972025), (15, 4783215), (25, 2869929), (45, 1594405), (75, 956643), (225, 318881)]