81997413

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{17783}}^1$

素因数の和:17868

約数の個数: 16

約数和(自身を含む): 115240320

約数和(自身を除く): 33242907

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4611, 17783, 53349, 515707, 942499, 1547121, 2827497, 27332471, 81997413]

約数ペア:

[(1, 81997413), (3, 27332471), (29, 2827497), (53, 1547121), (87, 942499), (159, 515707), (1537, 53349), (4611, 17783)]