189574161

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 293787648

約数和(自身を除く): 104213487

約数列:

[1, 3, 7, 21, 131, 137, 393, 411, 503, 917, 959, 1509, 2751, 2877, 3521, 10563, 17947, 53841, 65893, 68911, 125629, 197679, 206733, 376887, 461251, 482377, 1383753, 1447131, 9027341, 27082023, 63191387, 189574161]

約数ペア:

[(1, 189574161), (3, 63191387), (7, 27082023), (21, 9027341), (131, 1447131), (137, 1383753), (393, 482377), (411, 461251), (503, 376887), (917, 206733), (959, 197679), (1509, 125629), (2751, 68911), (2877, 65893), (3521, 53841), (10563, 17947)]