209528085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6211}}^1$

素因数の和:6405

約数の個数: 32

約数和(自身を含む): 363178368

約数和(自身を除く): 153650283

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 519, 865, 2249, 2595, 6211, 6747, 11245, 18633, 31055, 33735, 80743, 93165, 242229, 403715, 1074503, 1211145, 3223509, 5372515, 13968539, 16117545, 41905617, 69842695, 209528085]

約数ペア:

[(1, 209528085), (3, 69842695), (5, 41905617), (13, 16117545), (15, 13968539), (39, 5372515), (65, 3223509), (173, 1211145), (195, 1074503), (519, 403715), (865, 242229), (2249, 93165), (2595, 80743), (6211, 33735), (6747, 31055), (11245, 18633)]