16970919

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 27033600

約数和(自身を除く): 10062681

約数列:

[1, 3, 7, 21, 31, 93, 131, 199, 217, 393, 597, 651, 917, 1393, 2751, 4061, 4179, 6169, 12183, 18507, 26069, 28427, 43183, 78207, 85281, 129549, 182483, 547449, 808139, 2424417, 5656973, 16970919]

約数ペア:

[(1, 16970919), (3, 5656973), (7, 2424417), (21, 808139), (31, 547449), (93, 182483), (131, 129549), (199, 85281), (217, 78207), (393, 43183), (597, 28427), (651, 26069), (917, 18507), (1393, 12183), (2751, 6169), (4061, 4179)]