680109

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 958464

約数和(自身を除く): 278355

約数列:

[1, 3, 31, 71, 93, 103, 213, 309, 2201, 3193, 6603, 7313, 9579, 21939, 226703, 680109]

約数ペア:

[(1, 680109), (3, 226703), (31, 21939), (71, 9579), (93, 7313), (103, 6603), (213, 3193), (309, 2201)]