2147915

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{797}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 3274992

約数和(自身を除く): 1127077

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 797, 2695, 3985, 5579, 8767, 27895, 39053, 43835, 61369, 195265, 306845, 429583, 2147915]

約数ペア:

[(1, 2147915), (5, 429583), (7, 306845), (11, 195265), (35, 61369), (49, 43835), (55, 39053), (77, 27895), (245, 8767), (385, 5579), (539, 3985), (797, 2695)]