47209725

素因数分解:

$3^2\times 5^2\times {\mathrm{209821}}^1$

素因数の和:209837

約数の個数: 18

約数和(自身を含む): 84558266

約数和(自身を除く): 37348541

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 209821, 629463, 1049105, 1888389, 3147315, 5245525, 9441945, 15736575, 47209725]

約数ペア:

[(1, 47209725), (3, 15736575), (5, 9441945), (9, 5245525), (15, 3147315), (25, 1888389), (45, 1049105), (75, 629463), (225, 209821)]