27970719

素因数分解:

$3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{1063}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 43666560

約数和(自身を除く): 15695841

約数列:

[1, 3, 7, 21, 49, 147, 179, 537, 1063, 1253, 3189, 3759, 7441, 8771, 22323, 26313, 52087, 156261, 190277, 570831, 1331939, 3995817, 9323573, 27970719]

約数ペア:

[(1, 27970719), (3, 9323573), (7, 3995817), (21, 1331939), (49, 570831), (147, 190277), (179, 156261), (537, 52087), (1063, 26313), (1253, 22323), (3189, 8771), (3759, 7441)]