16768143

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:876

約数の個数: 36

約数和(自身を含む): 28810080

約数和(自身を除く): 12041937

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 809, 987, 2303, 2427, 2961, 5663, 6909, 7281, 16989, 20727, 38023, 39641, 50967, 114069, 118923, 266161, 342207, 356769, 798483, 1863127, 2395449, 5589381, 16768143]

約数ペア:

[(1, 16768143), (3, 5589381), (7, 2395449), (9, 1863127), (21, 798483), (47, 356769), (49, 342207), (63, 266161), (141, 118923), (147, 114069), (329, 50967), (423, 39641), (441, 38023), (809, 20727), (987, 16989), (2303, 7281), (2427, 6909), (2961, 5663)]