128840253

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{7121}}^1$

素因数の和:7324

約数の個数: 16

約数和(自身を含む): 177537216

約数和(自身を除く): 48696963

約数列:

[1, 3, 37, 111, 163, 489, 6031, 7121, 18093, 21363, 263477, 790431, 1160723, 3482169, 42946751, 128840253]

約数ペア:

[(1, 128840253), (3, 42946751), (37, 3482169), (111, 1160723), (163, 790431), (489, 263477), (6031, 21363), (7121, 18093)]