28994805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 58181760

約数和(自身を除く): 29186955

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 105, 249, 315, 415, 581, 747, 1109, 1245, 1743, 2905, 3327, 3735, 5229, 5545, 7763, 8715, 9981, 16635, 23289, 26145, 38815, 49905, 69867, 92047, 116445, 276141, 349335, 460235, 644329, 828423, 1380705, 1932987, 3221645, 4142115, 5798961, 9664935, 28994805]

約数ペア:

[(1, 28994805), (3, 9664935), (5, 5798961), (7, 4142115), (9, 3221645), (15, 1932987), (21, 1380705), (35, 828423), (45, 644329), (63, 460235), (83, 349335), (105, 276141), (249, 116445), (315, 92047), (415, 69867), (581, 49905), (747, 38815), (1109, 26145), (1245, 23289), (1743, 16635), (2905, 9981), (3327, 8715), (3735, 7763), (5229, 5545)]