31927041

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 18864063

約数列:

[1, 3, 9, 27, 37, 53, 67, 81, 111, 159, 201, 243, 333, 477, 603, 999, 1431, 1809, 1961, 2479, 2997, 3551, 4293, 5427, 5883, 7437, 8991, 10653, 12879, 16281, 17649, 22311, 31959, 52947, 66933, 95877, 131387, 158841, 200799, 287631, 394161, 476523, 602397, 862893, 1182483, 3547449, 10642347, 31927041]

約数ペア:

[(1, 31927041), (3, 10642347), (9, 3547449), (27, 1182483), (37, 862893), (53, 602397), (67, 476523), (81, 394161), (111, 287631), (159, 200799), (201, 158841), (243, 131387), (333, 95877), (477, 66933), (603, 52947), (999, 31959), (1431, 22311), (1809, 17649), (1961, 16281), (2479, 12879), (2997, 10653), (3551, 8991), (4293, 7437), (5427, 5883)]