81173797887

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{297339919}}^1$

素因数の和:297339942

約数の個数: 16

約数和(自身を含む): 133208284160

約数和(自身を除く): 52034486273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 297339919, 892019757, 2081379433, 3865418947, 6244138299, 11596256841, 27057932629, 81173797887]

約数ペア:

[(1, 81173797887), (3, 27057932629), (7, 11596256841), (13, 6244138299), (21, 3865418947), (39, 2081379433), (91, 892019757), (273, 297339919)]