28093605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 49667904

約数和(自身を除く): 21574299

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 131, 145, 255, 393, 435, 493, 655, 841, 1479, 1965, 2227, 2465, 2523, 3799, 4205, 6681, 7395, 11135, 11397, 12615, 14297, 18995, 33405, 42891, 56985, 64583, 71485, 110171, 193749, 214455, 322915, 330513, 550855, 968745, 1652565, 1872907, 5618721, 9364535, 28093605]

約数ペア:

[(1, 28093605), (3, 9364535), (5, 5618721), (15, 1872907), (17, 1652565), (29, 968745), (51, 550855), (85, 330513), (87, 322915), (131, 214455), (145, 193749), (255, 110171), (393, 71485), (435, 64583), (493, 56985), (655, 42891), (841, 33405), (1479, 18995), (1965, 14297), (2227, 12615), (2465, 11397), (2523, 11135), (3799, 7395), (4205, 6681)]