28243875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 24591453

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 123, 125, 165, 167, 205, 275, 375, 451, 501, 615, 825, 835, 1025, 1353, 1375, 1837, 2255, 2505, 3075, 4125, 4175, 5125, 5511, 6765, 6847, 9185, 11275, 12525, 15375, 20541, 20875, 27555, 33825, 34235, 45925, 56375, 62625, 75317, 102705, 137775, 169125, 171175, 225951, 229625, 376585, 513525, 688875, 855875, 1129755, 1882925, 2567625, 5648775, 9414625, 28243875]

約数ペア:

[(1, 28243875), (3, 9414625), (5, 5648775), (11, 2567625), (15, 1882925), (25, 1129755), (33, 855875), (41, 688875), (55, 513525), (75, 376585), (123, 229625), (125, 225951), (165, 171175), (167, 169125), (205, 137775), (275, 102705), (375, 75317), (451, 62625), (501, 56375), (615, 45925), (825, 34235), (835, 33825), (1025, 27555), (1353, 20875), (1375, 20541), (1837, 15375), (2255, 12525), (2505, 11275), (3075, 9185), (4125, 6847), (4175, 6765), (5125, 5511)]