16985703

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 11007897

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 971, 1029, 2499, 2913, 5831, 6797, 16507, 17493, 20391, 47579, 49521, 115549, 142737, 333053, 346647, 808843, 999159, 2426529, 5661901, 16985703]

約数ペア:

[(1, 16985703), (3, 5661901), (7, 2426529), (17, 999159), (21, 808843), (49, 346647), (51, 333053), (119, 142737), (147, 115549), (343, 49521), (357, 47579), (833, 20391), (971, 17493), (1029, 16507), (2499, 6797), (2913, 5831)]