78810123

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 122688000

約数和(自身を除く): 43877877

約数列:

[1, 3, 7, 21, 89, 149, 267, 283, 447, 623, 849, 1043, 1869, 1981, 3129, 5943, 13261, 25187, 39783, 42167, 75561, 92827, 126501, 176309, 278481, 295169, 528927, 885507, 3752863, 11258589, 26270041, 78810123]

約数ペア:

[(1, 78810123), (3, 26270041), (7, 11258589), (21, 3752863), (89, 885507), (149, 528927), (267, 295169), (283, 278481), (447, 176309), (623, 126501), (849, 92827), (1043, 75561), (1869, 42167), (1981, 39783), (3129, 25187), (5943, 13261)]