172398723

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{859}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 277401600

約数和(自身を除く): 105002877

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 503, 859, 1509, 2577, 3521, 6013, 9557, 10563, 16321, 18039, 28671, 48963, 66899, 114247, 200697, 342741, 432077, 1296231, 3024539, 8209463, 9073617, 24628389, 57466241, 172398723]

約数ペア:

[(1, 172398723), (3, 57466241), (7, 24628389), (19, 9073617), (21, 8209463), (57, 3024539), (133, 1296231), (399, 432077), (503, 342741), (859, 200697), (1509, 114247), (2577, 66899), (3521, 48963), (6013, 28671), (9557, 18039), (10563, 16321)]