27747775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 12749633

約数列:

[1, 5, 11, 23, 25, 41, 55, 107, 115, 205, 253, 275, 451, 535, 575, 943, 1025, 1177, 1265, 2255, 2461, 2675, 4387, 4715, 5885, 6325, 10373, 11275, 12305, 21935, 23575, 27071, 29425, 48257, 51865, 61525, 100901, 109675, 135355, 241285, 259325, 504505, 676775, 1109911, 1206425, 2522525, 5549555, 27747775]

約数ペア:

[(1, 27747775), (5, 5549555), (11, 2522525), (23, 1206425), (25, 1109911), (41, 676775), (55, 504505), (107, 259325), (115, 241285), (205, 135355), (253, 109675), (275, 100901), (451, 61525), (535, 51865), (575, 48257), (943, 29425), (1025, 27071), (1177, 23575), (1265, 21935), (2255, 12305), (2461, 11275), (2675, 10373), (4387, 6325), (4715, 5885)]