28041117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 43051008

約数和(自身を除く): 15009891

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 559, 727, 897, 989, 1677, 2181, 2967, 9451, 12857, 16721, 28353, 31261, 38571, 50163, 93783, 217373, 406393, 652119, 719003, 1219179, 2157009, 9347039, 28041117]

約数ペア:

[(1, 28041117), (3, 9347039), (13, 2157009), (23, 1219179), (39, 719003), (43, 652119), (69, 406393), (129, 217373), (299, 93783), (559, 50163), (727, 38571), (897, 31261), (989, 28353), (1677, 16721), (2181, 12857), (2967, 9451)]