28282815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3361}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 56642976

約数和(自身を除く): 28360161

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2805, 3361, 8415, 10083, 16805, 30249, 36971, 50415, 57137, 110913, 151245, 171411, 184855, 285685, 332739, 514233, 554565, 628507, 857055, 1663695, 1885521, 2571165, 3142535, 5656563, 9427605, 28282815]

約数ペア:

[(1, 28282815), (3, 9427605), (5, 5656563), (9, 3142535), (11, 2571165), (15, 1885521), (17, 1663695), (33, 857055), (45, 628507), (51, 554565), (55, 514233), (85, 332739), (99, 285685), (153, 184855), (165, 171411), (187, 151245), (255, 110913), (495, 57137), (561, 50415), (765, 36971), (935, 30249), (1683, 16805), (2805, 10083), (3361, 8415)]