89201021

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{601}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 112412664

約数和(自身を除く): 23211643

約数列:

[1, 7, 13, 49, 91, 233, 601, 637, 1631, 3029, 4207, 7813, 11417, 21203, 29449, 54691, 140033, 148421, 382837, 980231, 1820429, 6861617, 12743003, 89201021]

約数ペア:

[(1, 89201021), (7, 12743003), (13, 6861617), (49, 1820429), (91, 980231), (233, 382837), (601, 148421), (637, 140033), (1631, 54691), (3029, 29449), (4207, 21203), (7813, 11417)]