51225255

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 94887936

約数和(自身を除く): 43662681

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 345, 387, 645, 989, 1035, 1151, 1935, 2967, 3453, 4945, 5755, 8901, 10359, 14835, 17265, 26473, 44505, 49493, 51795, 79419, 132365, 148479, 238257, 247465, 397095, 445437, 742395, 1138339, 1191285, 2227185, 3415017, 5691695, 10245051, 17075085, 51225255]

約数ペア:

[(1, 51225255), (3, 17075085), (5, 10245051), (9, 5691695), (15, 3415017), (23, 2227185), (43, 1191285), (45, 1138339), (69, 742395), (115, 445437), (129, 397095), (207, 247465), (215, 238257), (345, 148479), (387, 132365), (645, 79419), (989, 51795), (1035, 49493), (1151, 44505), (1935, 26473), (2967, 17265), (3453, 14835), (4945, 10359), (5755, 8901)]