78281613

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 119068800

約数和(自身を除く): 40787187

約数列:

[1, 3, 9, 27, 59, 157, 177, 313, 471, 531, 939, 1413, 1593, 2817, 4239, 8451, 9263, 18467, 27789, 49141, 55401, 83367, 147423, 166203, 250101, 442269, 498609, 1326807, 2899319, 8697957, 26093871, 78281613]

約数ペア:

[(1, 78281613), (3, 26093871), (9, 8697957), (27, 2899319), (59, 1326807), (157, 498609), (177, 442269), (313, 250101), (471, 166203), (531, 147423), (939, 83367), (1413, 55401), (1593, 49141), (2817, 27789), (4239, 18467), (8451, 9263)]