15027957

素因数分解:

$3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 26685120

約数和(自身を除く): 11657163

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 111, 147, 189, 259, 307, 333, 441, 777, 921, 999, 1323, 1813, 2149, 2331, 2763, 5439, 6447, 6993, 8289, 11359, 15043, 16317, 19341, 34077, 45129, 48951, 58023, 79513, 102231, 135387, 238539, 306693, 406161, 556591, 715617, 1669773, 2146851, 5009319, 15027957]

約数ペア:

[(1, 15027957), (3, 5009319), (7, 2146851), (9, 1669773), (21, 715617), (27, 556591), (37, 406161), (49, 306693), (63, 238539), (111, 135387), (147, 102231), (189, 79513), (259, 58023), (307, 48951), (333, 45129), (441, 34077), (777, 19341), (921, 16317), (999, 15043), (1323, 11359), (1813, 8289), (2149, 6993), (2331, 6447), (2763, 5439)]