61807155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1487}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 105421824

約数和(自身を除く): 43614669

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 815, 1487, 2445, 2771, 4461, 7435, 8313, 13855, 22305, 25279, 41565, 75837, 126395, 242381, 379185, 727143, 1211905, 3635715, 4120477, 12361431, 20602385, 61807155]

約数ペア:

[(1, 61807155), (3, 20602385), (5, 12361431), (15, 4120477), (17, 3635715), (51, 1211905), (85, 727143), (163, 379185), (255, 242381), (489, 126395), (815, 75837), (1487, 41565), (2445, 25279), (2771, 22305), (4461, 13855), (7435, 8313)]