31305141

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26153}}^1$

素因数の和:26185

約数の個数: 24

約数和(自身を含む): 54400320

約数和(自身を除く): 23095179

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 26153, 78459, 183071, 235377, 496907, 549213, 1490721, 1647639, 3478349, 4472163, 10435047, 31305141]

約数ペア:

[(1, 31305141), (3, 10435047), (7, 4472163), (9, 3478349), (19, 1647639), (21, 1490721), (57, 549213), (63, 496907), (133, 235377), (171, 183071), (399, 78459), (1197, 26153)]