20751927

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 33030144

約数和(自身を除く): 12278217

約数列:

[1, 3, 7, 21, 31, 93, 127, 217, 251, 381, 651, 753, 889, 1757, 2667, 3937, 5271, 7781, 11811, 23343, 27559, 31877, 54467, 82677, 95631, 163401, 223139, 669417, 988187, 2964561, 6917309, 20751927]

約数ペア:

[(1, 20751927), (3, 6917309), (7, 2964561), (21, 988187), (31, 669417), (93, 223139), (127, 163401), (217, 95631), (251, 82677), (381, 54467), (651, 31877), (753, 27559), (889, 23343), (1757, 11811), (2667, 7781), (3937, 5271)]