42390381

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 63737856

約数和(自身を除く): 21347475

約数列:

[1, 3, 11, 33, 47, 141, 151, 181, 453, 517, 543, 1551, 1661, 1991, 4983, 5973, 7097, 8507, 21291, 25521, 27331, 78067, 81993, 93577, 234201, 280731, 300641, 901923, 1284557, 3853671, 14130127, 42390381]

約数ペア:

[(1, 42390381), (3, 14130127), (11, 3853671), (33, 1284557), (47, 901923), (141, 300641), (151, 280731), (181, 234201), (453, 93577), (517, 81993), (543, 78067), (1551, 27331), (1661, 25521), (1991, 21291), (4983, 8507), (5973, 7097)]