31432881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 46891008

約数和(自身を除く): 15458127

約数列:

[1, 3, 17, 23, 51, 69, 127, 211, 381, 391, 633, 1173, 2159, 2921, 3587, 4853, 6477, 8763, 10761, 14559, 26797, 49657, 80391, 82501, 148971, 247503, 455549, 616331, 1366647, 1848993, 10477627, 31432881]

約数ペア:

[(1, 31432881), (3, 10477627), (17, 1848993), (23, 1366647), (51, 616331), (69, 455549), (127, 247503), (211, 148971), (381, 82501), (391, 80391), (633, 49657), (1173, 26797), (2159, 14559), (2921, 10761), (3587, 8763), (4853, 6477)]