71865339

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3929}}^1$

素因数の和:4019

約数の個数: 32

約数和(自身を含む): 119723520

約数和(自身を除く): 47858181

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 3929, 6097, 11787, 18291, 27503, 51077, 82509, 153231, 263243, 357539, 789729, 1072617, 1842701, 3422159, 5528103, 10266477, 23955113, 71865339]

約数ペア:

[(1, 71865339), (3, 23955113), (7, 10266477), (13, 5528103), (21, 3422159), (39, 1842701), (67, 1072617), (91, 789729), (201, 357539), (273, 263243), (469, 153231), (871, 82509), (1407, 51077), (2613, 27503), (3929, 18291), (6097, 11787)]