201718269

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131071}}^1$

素因数の和:131102

約数の個数: 20

約数和(自身を含む): 317194240

約数和(自身を除く): 115475971

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 131071, 393213, 1179639, 2490349, 3538917, 7471047, 10616751, 22413141, 67239423, 201718269]

約数ペア:

[(1, 201718269), (3, 67239423), (9, 22413141), (19, 10616751), (27, 7471047), (57, 3538917), (81, 2490349), (171, 1179639), (513, 393213), (1539, 131071)]