211508721

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{877}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 309730304

約数和(自身を除く): 98221583

約数列:

[1, 3, 9, 127, 211, 381, 633, 877, 1143, 1899, 2631, 7893, 26797, 80391, 111379, 185047, 241173, 334137, 555141, 1002411, 1665423, 23500969, 70502907, 211508721]

約数ペア:

[(1, 211508721), (3, 70502907), (9, 23500969), (127, 1665423), (211, 1002411), (381, 555141), (633, 334137), (877, 241173), (1143, 185047), (1899, 111379), (2631, 80391), (7893, 26797)]