205120143

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{6089}}^1$

素因数の和:6311

約数の個数: 24

約数和(自身を含む): 313513200

約数和(自身を除く): 108393057

約数列:

[1, 3, 9, 19, 57, 171, 197, 591, 1773, 3743, 6089, 11229, 18267, 33687, 54801, 115691, 347073, 1041219, 1199533, 3598599, 10795797, 22791127, 68373381, 205120143]

約数ペア:

[(1, 205120143), (3, 68373381), (9, 22791127), (19, 10795797), (57, 3598599), (171, 1199533), (197, 1041219), (591, 347073), (1773, 115691), (3743, 54801), (6089, 33687), (11229, 18267)]