51450687

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 81259200

約数和(自身を除く): 29808513

約数列:

[1, 3, 9, 17, 27, 51, 153, 197, 459, 569, 591, 1707, 1773, 3349, 5121, 5319, 9673, 10047, 15363, 29019, 30141, 87057, 90423, 112093, 261171, 336279, 1008837, 1905581, 3026511, 5716743, 17150229, 51450687]

約数ペア:

[(1, 51450687), (3, 17150229), (9, 5716743), (17, 3026511), (27, 1905581), (51, 1008837), (153, 336279), (197, 261171), (459, 112093), (569, 90423), (591, 87057), (1707, 30141), (1773, 29019), (3349, 15363), (5121, 10047), (5319, 9673)]