78840297

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 124407360

約数和(自身を除く): 45567063

約数列:

[1, 3, 9, 23, 27, 69, 81, 101, 207, 303, 419, 621, 909, 1257, 1863, 2323, 2727, 3771, 6969, 8181, 9637, 11313, 20907, 28911, 33939, 42319, 62721, 86733, 126957, 188163, 260199, 380871, 780597, 973337, 1142613, 2920011, 3427839, 8760033, 26280099, 78840297]

約数ペア:

[(1, 78840297), (3, 26280099), (9, 8760033), (23, 3427839), (27, 2920011), (69, 1142613), (81, 973337), (101, 780597), (207, 380871), (303, 260199), (419, 188163), (621, 126957), (909, 86733), (1257, 62721), (1863, 42319), (2323, 33939), (2727, 28911), (3771, 20907), (6969, 11313), (8181, 9637)]