40378743

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{26237}}^1$

素因数の和:26268

約数の個数: 20

約数和(自身を含む): 63495960

約数和(自身を除く): 23117217

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 26237, 78711, 236133, 498503, 708399, 1495509, 2125197, 4486527, 13459581, 40378743]

約数ペア:

[(1, 40378743), (3, 13459581), (9, 4486527), (19, 2125197), (27, 1495509), (57, 708399), (81, 498503), (171, 236133), (513, 78711), (1539, 26237)]