28684755

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 26037549

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 167, 347, 495, 501, 835, 1041, 1503, 1735, 1837, 2505, 3123, 3817, 5205, 5511, 7515, 9185, 11451, 15615, 16533, 19085, 27555, 34353, 57255, 57949, 82665, 171765, 173847, 289745, 521541, 637439, 869235, 1912317, 2607705, 3187195, 5736951, 9561585, 28684755]

約数ペア:

[(1, 28684755), (3, 9561585), (5, 5736951), (9, 3187195), (11, 2607705), (15, 1912317), (33, 869235), (45, 637439), (55, 521541), (99, 289745), (165, 173847), (167, 171765), (347, 82665), (495, 57949), (501, 57255), (835, 34353), (1041, 27555), (1503, 19085), (1735, 16533), (1837, 15615), (2505, 11451), (3123, 9185), (3817, 7515), (5205, 5511)]