161994807

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19501}}^1$

素因数の和:19591

約数の個数: 24

約数和(自身を含む): 255554208

約数和(自身を除く): 93559401

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 19501, 58503, 175509, 253513, 760539, 1384571, 2281617, 4153713, 12461139, 17999423, 53998269, 161994807]

約数ペア:

[(1, 161994807), (3, 53998269), (9, 17999423), (13, 12461139), (39, 4153713), (71, 2281617), (117, 1384571), (213, 760539), (639, 253513), (923, 175509), (2769, 58503), (8307, 19501)]