27720781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 31775040

約数和(自身を除く): 4054259

約数列:

[1, 11, 29, 67, 319, 737, 1297, 1943, 14267, 21373, 37613, 86899, 413743, 955889, 2520071, 27720781]

約数ペア:

[(1, 27720781), (11, 2520071), (29, 955889), (67, 413743), (319, 86899), (737, 37613), (1297, 21373), (1943, 14267)]