188457921

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 298771200

約数和(自身を除く): 110313279

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 141, 243, 261, 423, 569, 783, 1269, 1363, 1707, 2349, 3807, 4089, 5121, 7047, 11421, 12267, 15363, 16501, 26743, 36801, 46089, 49503, 80229, 110403, 138267, 148509, 240687, 331209, 445527, 722061, 775547, 1336581, 2166183, 2326641, 4009743, 6498549, 6979923, 20939769, 62819307, 188457921]

約数ペア:

[(1, 188457921), (3, 62819307), (9, 20939769), (27, 6979923), (29, 6498549), (47, 4009743), (81, 2326641), (87, 2166183), (141, 1336581), (243, 775547), (261, 722061), (423, 445527), (569, 331209), (783, 240687), (1269, 148509), (1363, 138267), (1707, 110403), (2349, 80229), (3807, 49503), (4089, 46089), (5121, 36801), (7047, 26743), (11421, 16501), (12267, 15363)]