161868537

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{3167}}^1$

素因数の和:3810

約数の個数: 20

約数和(自身を含む): 242263296

約数和(自身を除く): 80394759

約数列:

[1, 3, 9, 27, 81, 631, 1893, 3167, 5679, 9501, 17037, 28503, 51111, 85509, 256527, 1998377, 5995131, 17985393, 53956179, 161868537]

約数ペア:

[(1, 161868537), (3, 53956179), (9, 17985393), (27, 5995131), (81, 1998377), (631, 256527), (1893, 85509), (3167, 51111), (5679, 28503), (9501, 17037)]