1995871779

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{142981}}^1$

素因数の和:143048

約数の個数: 32

約数和(自身を含む): 3294305280

約数和(自身を除く): 1298433501

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1551, 4653, 13959, 142981, 428943, 1286829, 1572791, 3860487, 4718373, 6720107, 14155119, 20160321, 42465357, 60480963, 73921177, 181442889, 221763531, 665290593, 1995871779]

約数ペア:

[(1, 1995871779), (3, 665290593), (9, 221763531), (11, 181442889), (27, 73921177), (33, 60480963), (47, 42465357), (99, 20160321), (141, 14155119), (297, 6720107), (423, 4718373), (517, 3860487), (1269, 1572791), (1551, 1286829), (4653, 428943), (13959, 142981)]