427172319

素因数分解:

$3^3\times 7^1\times {\mathrm{2260171}}^1$

素因数の和:2260187

約数の個数: 16

約数和(自身を含む): 723255040

約数和(自身を除く): 296082721

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2260171, 6780513, 15821197, 20341539, 47463591, 61024617, 142390773, 427172319]

約数ペア:

[(1, 427172319), (3, 142390773), (7, 61024617), (9, 47463591), (21, 20341539), (27, 15821197), (63, 6780513), (189, 2260171)]