2131647

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{853}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 3504816

約数和(自身を除く): 1373169

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 853, 2499, 2559, 5971, 14501, 17913, 41797, 43503, 101507, 125391, 304521, 710549, 2131647]

約数ペア:

[(1, 2131647), (3, 710549), (7, 304521), (17, 125391), (21, 101507), (49, 43503), (51, 41797), (119, 17913), (147, 14501), (357, 5971), (833, 2559), (853, 2499)]