81284147

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 102136320

約数和(自身を除く): 20852173

約数列:

[1, 7, 19, 43, 61, 133, 233, 301, 427, 817, 1159, 1631, 2623, 4427, 5719, 8113, 10019, 14213, 18361, 30989, 49837, 70133, 99491, 190361, 270047, 348859, 611159, 1332527, 1890329, 4278113, 11612021, 81284147]

約数ペア:

[(1, 81284147), (7, 11612021), (19, 4278113), (43, 1890329), (61, 1332527), (133, 611159), (233, 348859), (301, 270047), (427, 190361), (817, 99491), (1159, 70133), (1631, 49837), (2623, 30989), (4427, 18361), (5719, 14213), (8113, 10019)]