2783170449

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{133697}}^1$

素因数の和:133966

約数の個数: 20

約数和(自身を含む): 4173784164

約数和(自身を除く): 1390613715

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 20817, 133697, 401091, 1203273, 3609819, 10829457, 34360129, 103080387, 309241161, 927723483, 2783170449]

約数ペア:

[(1, 2783170449), (3, 927723483), (9, 309241161), (27, 103080387), (81, 34360129), (257, 10829457), (771, 3609819), (2313, 1203273), (6939, 401091), (20817, 133697)]