28764549

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 19420731

約数列:

[1, 3, 9, 11, 29, 33, 43, 87, 99, 129, 233, 261, 319, 387, 473, 699, 957, 1247, 1419, 2097, 2563, 2871, 3741, 4257, 6757, 7689, 10019, 11223, 13717, 20271, 23067, 30057, 41151, 60813, 74327, 90171, 110209, 123453, 222981, 290551, 330627, 668943, 871653, 991881, 2614959, 3196061, 9588183, 28764549]

約数ペア:

[(1, 28764549), (3, 9588183), (9, 3196061), (11, 2614959), (29, 991881), (33, 871653), (43, 668943), (87, 330627), (99, 290551), (129, 222981), (233, 123453), (261, 110209), (319, 90171), (387, 74327), (473, 60813), (699, 41151), (957, 30057), (1247, 23067), (1419, 20271), (2097, 13717), (2563, 11223), (2871, 10019), (3741, 7689), (4257, 6757)]