81990735

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{683}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 134742528

約数和(自身を除く): 52751793

約数列:

[1, 3, 5, 15, 53, 151, 159, 265, 453, 683, 755, 795, 2049, 2265, 3415, 8003, 10245, 24009, 36199, 40015, 103133, 108597, 120045, 180995, 309399, 515665, 542985, 1546995, 5466049, 16398147, 27330245, 81990735]

約数ペア:

[(1, 81990735), (3, 27330245), (5, 16398147), (15, 5466049), (53, 1546995), (151, 542985), (159, 515665), (265, 309399), (453, 180995), (683, 120045), (755, 108597), (795, 103133), (2049, 40015), (2265, 36199), (3415, 24009), (8003, 10245)]