208949805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3847}}^1$

素因数の和:3946

約数の個数: 48

約数和(自身を含む): 388986624

約数和(自身を除く): 180036819

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 3195, 3621, 3847, 6035, 10863, 11541, 18105, 19235, 34623, 54315, 57705, 65399, 173115, 196197, 273137, 326995, 588591, 819411, 980985, 1365685, 2458233, 2942955, 4097055, 4643329, 12291165, 13929987, 23216645, 41789961, 69649935, 208949805]

約数ペア:

[(1, 208949805), (3, 69649935), (5, 41789961), (9, 23216645), (15, 13929987), (17, 12291165), (45, 4643329), (51, 4097055), (71, 2942955), (85, 2458233), (153, 1365685), (213, 980985), (255, 819411), (355, 588591), (639, 326995), (765, 273137), (1065, 196197), (1207, 173115), (3195, 65399), (3621, 57705), (3847, 54315), (6035, 34623), (10863, 19235), (11541, 18105)]