51990417

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{22133}}^1$

素因数の和:22174

約数の個数: 20

約数和(自身を含む): 80346420

約数和(自身を除く): 28356003

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 22133, 66399, 199197, 597591, 641857, 1792773, 1925571, 5776713, 17330139, 51990417]

約数ペア:

[(1, 51990417), (3, 17330139), (9, 5776713), (27, 1925571), (29, 1792773), (81, 641857), (87, 597591), (261, 199197), (783, 66399), (2349, 22133)]