53708421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72481}}^1$

素因数の和:72516

約数の個数: 16

約数和(自身を含む): 81179840

約数和(自身を除く): 27471419

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 72481, 217443, 942253, 1377139, 2826759, 4131417, 17902807, 53708421]

約数ペア:

[(1, 53708421), (3, 17902807), (13, 4131417), (19, 2826759), (39, 1377139), (57, 942253), (247, 217443), (741, 72481)]