51189975

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1526

約数の個数: 60

約数和(自身を含む): 100466784

約数和(自身を除く): 49276809

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 765, 1275, 1377, 1487, 2025, 2295, 3825, 4461, 6885, 7435, 11475, 13383, 22305, 25279, 34425, 37175, 40149, 66915, 75837, 111525, 120447, 126395, 200745, 227511, 334575, 379185, 602235, 631975, 682533, 1003725, 1137555, 1895925, 2047599, 3011175, 3412665, 5687775, 10237995, 17063325, 51189975]

約数ペア:

[(1, 51189975), (3, 17063325), (5, 10237995), (9, 5687775), (15, 3412665), (17, 3011175), (25, 2047599), (27, 1895925), (45, 1137555), (51, 1003725), (75, 682533), (81, 631975), (85, 602235), (135, 379185), (153, 334575), (225, 227511), (255, 200745), (405, 126395), (425, 120447), (459, 111525), (675, 75837), (765, 66915), (1275, 40149), (1377, 37175), (1487, 34425), (2025, 25279), (2295, 22305), (3825, 13383), (4461, 11475), (6885, 7435)]