28068201

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 21726999

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 569, 609, 783, 1701, 1707, 1827, 2349, 3983, 5121, 5481, 7047, 11949, 15363, 16443, 16501, 35847, 46089, 49329, 49503, 107541, 115507, 138267, 148509, 322623, 346521, 445527, 967869, 1039563, 1336581, 3118689, 4009743, 9356067, 28068201]

約数ペア:

[(1, 28068201), (3, 9356067), (7, 4009743), (9, 3118689), (21, 1336581), (27, 1039563), (29, 967869), (63, 445527), (81, 346521), (87, 322623), (189, 148509), (203, 138267), (243, 115507), (261, 107541), (567, 49503), (569, 49329), (609, 46089), (783, 35847), (1701, 16501), (1707, 16443), (1827, 15363), (2349, 11949), (3983, 7047), (5121, 5481)]