666763251

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{10651}}^1$

素因数の和:10943

約数の個数: 32

約数和(自身を含む): 1112580096

約数和(自身を除く): 445816845

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 813, 1897, 2981, 5691, 8943, 10651, 20867, 31953, 62601, 74557, 117161, 223671, 351483, 820127, 2460381, 2886421, 8659263, 20204947, 31750631, 60614841, 95251893, 222254417, 666763251]

約数ペア:

[(1, 666763251), (3, 222254417), (7, 95251893), (11, 60614841), (21, 31750631), (33, 20204947), (77, 8659263), (231, 2886421), (271, 2460381), (813, 820127), (1897, 351483), (2981, 223671), (5691, 117161), (8943, 74557), (10651, 62601), (20867, 31953)]