28862409

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 39042432

約数和(自身を除く): 10180023

約数列:

[1, 3, 157, 233, 263, 471, 699, 789, 36581, 41291, 61279, 109743, 123873, 183837, 9620803, 28862409]

約数ペア:

[(1, 28862409), (3, 9620803), (157, 183837), (233, 123873), (263, 109743), (471, 61279), (699, 41291), (789, 36581)]