25342155

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 47028384

約数和(自身を除く): 21686229

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 157, 211, 255, 471, 633, 765, 785, 1055, 1413, 1899, 2355, 2669, 3165, 3587, 7065, 8007, 9495, 10761, 13345, 17935, 24021, 32283, 33127, 40035, 53805, 99381, 120105, 161415, 165635, 298143, 496905, 563159, 1490715, 1689477, 2815795, 5068431, 8447385, 25342155]

約数ペア:

[(1, 25342155), (3, 8447385), (5, 5068431), (9, 2815795), (15, 1689477), (17, 1490715), (45, 563159), (51, 496905), (85, 298143), (153, 165635), (157, 161415), (211, 120105), (255, 99381), (471, 53805), (633, 40035), (765, 33127), (785, 32283), (1055, 24021), (1413, 17935), (1899, 13345), (2355, 10761), (2669, 9495), (3165, 8007), (3587, 7065)]