39903981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 61246080

約数和(自身を除く): 21342099

約数列:

[1, 3, 13, 17, 39, 51, 139, 221, 417, 433, 663, 1299, 1807, 2363, 5421, 5629, 7089, 7361, 16887, 22083, 30719, 60187, 92157, 95693, 180561, 287079, 782431, 1023179, 2347293, 3069537, 13301327, 39903981]

約数ペア:

[(1, 39903981), (3, 13301327), (13, 3069537), (17, 2347293), (39, 1023179), (51, 782431), (139, 287079), (221, 180561), (417, 95693), (433, 92157), (663, 60187), (1299, 30719), (1807, 22083), (2363, 16887), (5421, 7361), (5629, 7089)]