18286272015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{438047}}^1$

素因数の和:438100

約数の個数: 48

約数和(自身を含む): 33557981184

約数和(自身を除く): 15271709169

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 121, 165, 253, 345, 363, 605, 759, 1265, 1815, 2783, 3795, 8349, 13915, 41745, 438047, 1314141, 2190235, 4818517, 6570705, 10075081, 14455551, 24092585, 30225243, 50375405, 53003687, 72277755, 110825891, 151126215, 159011061, 265018435, 332477673, 554129455, 795055305, 1219084801, 1662388365, 3657254403, 6095424005, 18286272015]

約数ペア:

[(1, 18286272015), (3, 6095424005), (5, 3657254403), (11, 1662388365), (15, 1219084801), (23, 795055305), (33, 554129455), (55, 332477673), (69, 265018435), (115, 159011061), (121, 151126215), (165, 110825891), (253, 72277755), (345, 53003687), (363, 50375405), (605, 30225243), (759, 24092585), (1265, 14455551), (1815, 10075081), (2783, 6570705), (3795, 4818517), (8349, 2190235), (13915, 1314141), (41745, 438047)]