28912173

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1879}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 40427520

約数和(自身を除く): 11515347

約数列:

[1, 3, 23, 69, 223, 669, 1879, 5129, 5637, 15387, 43217, 129651, 419017, 1257051, 9637391, 28912173]

約数ペア:

[(1, 28912173), (3, 9637391), (23, 1257051), (69, 419017), (223, 129651), (669, 43217), (1879, 15387), (5129, 5637)]