68280891

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 110850048

約数和(自身を除く): 42569157

約数列:

[1, 3, 7, 17, 21, 51, 119, 193, 357, 579, 991, 1351, 2973, 3281, 4053, 6937, 9843, 16847, 20811, 22967, 50541, 68901, 117929, 191263, 353787, 573789, 1338841, 3251471, 4016523, 9754413, 22760297, 68280891]

約数ペア:

[(1, 68280891), (3, 22760297), (7, 9754413), (17, 4016523), (21, 3251471), (51, 1338841), (119, 573789), (193, 353787), (357, 191263), (579, 117929), (991, 68901), (1351, 50541), (2973, 22967), (3281, 20811), (4053, 16847), (6937, 9843)]