201613881

素因数分解:

$3^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{3581}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 313611264

約数和(自身を除く): 111997383

約数列:

[1, 3, 7, 21, 49, 147, 383, 1149, 2681, 3581, 8043, 10743, 18767, 25067, 56301, 75201, 175469, 526407, 1371523, 4114569, 9600661, 28801983, 67204627, 201613881]

約数ペア:

[(1, 201613881), (3, 67204627), (7, 28801983), (21, 9600661), (49, 4114569), (147, 1371523), (383, 526407), (1149, 175469), (2681, 75201), (3581, 56301), (8043, 25067), (10743, 18767)]