71728191

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{827}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 108501120

約数和(自身を除く): 36772929

約数列:

[1, 3, 9, 23, 69, 207, 419, 827, 1257, 2481, 3771, 7443, 9637, 19021, 28911, 57063, 86733, 171189, 346513, 1039539, 3118617, 7969799, 23909397, 71728191]

約数ペア:

[(1, 71728191), (3, 23909397), (9, 7969799), (23, 3118617), (69, 1039539), (207, 346513), (419, 171189), (827, 86733), (1257, 57063), (2481, 28911), (3771, 19021), (7443, 9637)]