51021165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15391}}^1$

素因数の和:15429

約数の個数: 32

約数和(自身を含む): 93090816

約数和(自身を除く): 42069651

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 15391, 46173, 76955, 200083, 230865, 261647, 600249, 784941, 1000415, 1308235, 3001245, 3401411, 3924705, 10204233, 17007055, 51021165]

約数ペア:

[(1, 51021165), (3, 17007055), (5, 10204233), (13, 3924705), (15, 3401411), (17, 3001245), (39, 1308235), (51, 1000415), (65, 784941), (85, 600249), (195, 261647), (221, 230865), (255, 200083), (663, 76955), (1105, 46173), (3315, 15391)]