217369527

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{39877}}^1$

素因数の和:39982

約数の個数: 16

約数和(自身を含む): 306263040

約数和(自身を除く): 88893513

約数列:

[1, 3, 23, 69, 79, 237, 1817, 5451, 39877, 119631, 917171, 2751513, 3150283, 9450849, 72456509, 217369527]

約数ペア:

[(1, 217369527), (3, 72456509), (23, 9450849), (69, 3150283), (79, 2751513), (237, 917171), (1817, 119631), (5451, 39877)]