28086435

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 53752608

約数和(自身を除く): 25666173

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 1171, 1599, 1845, 2665, 3513, 4797, 5855, 7995, 10539, 15223, 17565, 23985, 45669, 48011, 52695, 76115, 137007, 144033, 228345, 240055, 432099, 624143, 685035, 720165, 1872429, 2160495, 3120715, 5617287, 9362145, 28086435]

約数ペア:

[(1, 28086435), (3, 9362145), (5, 5617287), (9, 3120715), (13, 2160495), (15, 1872429), (39, 720165), (41, 685035), (45, 624143), (65, 432099), (117, 240055), (123, 228345), (195, 144033), (205, 137007), (369, 76115), (533, 52695), (585, 48011), (615, 45669), (1171, 23985), (1599, 17565), (1845, 15223), (2665, 10539), (3513, 7995), (4797, 5855)]