201622851

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131009}}^1$

素因数の和:131040

約数の個数: 20

約数和(自身を含む): 317044200

約数和(自身を除く): 115421349

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 131009, 393027, 1179081, 2489171, 3537243, 7467513, 10611729, 22402539, 67207617, 201622851]

約数ペア:

[(1, 201622851), (3, 67207617), (9, 22402539), (19, 10611729), (27, 7467513), (57, 3537243), (81, 2489171), (171, 1179081), (513, 393027), (1539, 131009)]