25551765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 47443968

約数和(自身を除く): 21892203

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 127, 153, 255, 263, 381, 635, 765, 789, 1143, 1315, 1905, 2159, 2367, 3945, 4471, 5715, 6477, 10795, 11835, 13413, 19431, 22355, 32385, 33401, 40239, 67065, 97155, 100203, 167005, 201195, 300609, 501015, 567817, 1503045, 1703451, 2839085, 5110353, 8517255, 25551765]

約数ペア:

[(1, 25551765), (3, 8517255), (5, 5110353), (9, 2839085), (15, 1703451), (17, 1503045), (45, 567817), (51, 501015), (85, 300609), (127, 201195), (153, 167005), (255, 100203), (263, 97155), (381, 67065), (635, 40239), (765, 33401), (789, 32385), (1143, 22355), (1315, 19431), (1905, 13413), (2159, 11835), (2367, 10795), (3945, 6477), (4471, 5715)]