28914219

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 45504000

約数和(自身を除く): 16589781

約数列:

[1, 3, 9, 19, 27, 57, 157, 171, 359, 471, 513, 1077, 1413, 2983, 3231, 4239, 6821, 8949, 9693, 20463, 26847, 56363, 61389, 80541, 169089, 184167, 507267, 1070897, 1521801, 3212691, 9638073, 28914219]

約数ペア:

[(1, 28914219), (3, 9638073), (9, 3212691), (19, 1521801), (27, 1070897), (57, 507267), (157, 184167), (171, 169089), (359, 80541), (471, 61389), (513, 56363), (1077, 26847), (1413, 20463), (2983, 9693), (3231, 8949), (4239, 6821)]