2787915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 5267808

約数和(自身を除く): 2479893

約数列:

[1, 3, 5, 13, 15, 17, 29, 39, 51, 65, 85, 87, 145, 195, 221, 255, 377, 435, 493, 663, 841, 1105, 1131, 1479, 1885, 2465, 2523, 3315, 4205, 5655, 6409, 7395, 10933, 12615, 14297, 19227, 32045, 32799, 42891, 54665, 71485, 96135, 163995, 185861, 214455, 557583, 929305, 2787915]

約数ペア:

[(1, 2787915), (3, 929305), (5, 557583), (13, 214455), (15, 185861), (17, 163995), (29, 96135), (39, 71485), (51, 54665), (65, 42891), (85, 32799), (87, 32045), (145, 19227), (195, 14297), (221, 12615), (255, 10933), (377, 7395), (435, 6409), (493, 5655), (663, 4205), (841, 3315), (1105, 2523), (1131, 2465), (1479, 1885)]