281397225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79829}}^1$

素因数の和:79889

約数の個数: 24

約数和(自身を含む): 475148160

約数和(自身を除く): 193750935

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 79829, 239487, 399145, 1197435, 1995725, 3751963, 5987175, 11255889, 18759815, 56279445, 93799075, 281397225]

約数ペア:

[(1, 281397225), (3, 93799075), (5, 56279445), (15, 18759815), (25, 11255889), (47, 5987175), (75, 3751963), (141, 1995725), (235, 1197435), (705, 399145), (1175, 239487), (3525, 79829)]