28000000485

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{11423}}^1$

素因数の和:11775

約数の個数: 64

約数和(自身を含む): 50711592960

約数和(自身を除く): 22711592475

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 271, 335, 603, 813, 1005, 1355, 1809, 2439, 3015, 4065, 7317, 9045, 11423, 12195, 18157, 34269, 36585, 54471, 57115, 90785, 102807, 163413, 171345, 272355, 308421, 490239, 514035, 765341, 817065, 1542105, 2296023, 2451195, 3095633, 3826705, 6888069, 9286899, 11480115, 15478165, 20664207, 27860697, 34440345, 46434495, 83582091, 103321035, 139303485, 207407411, 417910455, 622222233, 1037037055, 1866666699, 3111111165, 5600000097, 9333333495, 28000000485]

約数ペア:

[(1, 28000000485), (3, 9333333495), (5, 5600000097), (9, 3111111165), (15, 1866666699), (27, 1037037055), (45, 622222233), (67, 417910455), (135, 207407411), (201, 139303485), (271, 103321035), (335, 83582091), (603, 46434495), (813, 34440345), (1005, 27860697), (1355, 20664207), (1809, 15478165), (2439, 11480115), (3015, 9286899), (4065, 6888069), (7317, 3826705), (9045, 3095633), (11423, 2451195), (12195, 2296023), (18157, 1542105), (34269, 817065), (36585, 765341), (54471, 514035), (57115, 490239), (90785, 308421), (102807, 272355), (163413, 171345)]