81800175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{64157}}^1$

素因数の和:64187

約数の個数: 24

約数和(自身を含む): 143200656

約数和(自身を除く): 61400481

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 64157, 192471, 320785, 962355, 1090669, 1603925, 3272007, 4811775, 5453345, 16360035, 27266725, 81800175]

約数ペア:

[(1, 81800175), (3, 27266725), (5, 16360035), (15, 5453345), (17, 4811775), (25, 3272007), (51, 1603925), (75, 1090669), (85, 962355), (255, 320785), (425, 192471), (1275, 64157)]