66915891

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{55903}}^1$

素因数の和:55935

約数の個数: 24

約数和(自身を含む): 116280320

約数和(自身を除く): 49364429

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 55903, 167709, 391321, 503127, 1062157, 1173963, 3186471, 3521889, 7435099, 9559413, 22305297, 66915891]

約数ペア:

[(1, 66915891), (3, 22305297), (7, 9559413), (9, 7435099), (19, 3521889), (21, 3186471), (57, 1173963), (63, 1062157), (133, 503127), (171, 391321), (399, 167709), (1197, 55903)]