812821209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{68819}}^1$

素因数の和:68980

約数の個数: 16

約数和(自身を含む): 1127546880

約数和(自身を除く): 314725671

約数列:

[1, 3, 31, 93, 127, 381, 3937, 11811, 68819, 206457, 2133389, 6400167, 8740013, 26220039, 270940403, 812821209]

約数ペア:

[(1, 812821209), (3, 270940403), (31, 26220039), (93, 8740013), (127, 6400167), (381, 2133389), (3937, 206457), (11811, 68819)]