651209445

素因数分解:

$3^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{7283}}^1$

素因数の和:9281

約数の個数: 24

約数和(自身を含む): 1129486176

約数和(自身を除く): 478276731

約数列:

[1, 3, 5, 9, 15, 45, 1987, 5961, 7283, 9935, 17883, 21849, 29805, 36415, 65547, 89415, 109245, 327735, 14471321, 43413963, 72356605, 130241889, 217069815, 651209445]

約数ペア:

[(1, 651209445), (3, 217069815), (5, 130241889), (9, 72356605), (15, 43413963), (45, 14471321), (1987, 327735), (5961, 109245), (7283, 89415), (9935, 65547), (17883, 36415), (21849, 29805)]