78497181

素因数分解:

$3^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 134977920

約数和(自身を除く): 56480739

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 167, 189, 501, 567, 829, 1169, 1503, 2487, 3507, 4509, 5803, 7461, 10521, 13527, 17409, 22383, 31563, 52227, 67149, 94689, 138443, 156681, 415329, 470043, 969101, 1245987, 2907303, 3737961, 8721909, 11213883, 26165727, 78497181]

約数ペア:

[(1, 78497181), (3, 26165727), (7, 11213883), (9, 8721909), (21, 3737961), (27, 2907303), (63, 1245987), (81, 969101), (167, 470043), (189, 415329), (501, 156681), (567, 138443), (829, 94689), (1169, 67149), (1503, 52227), (2487, 31563), (3507, 22383), (4509, 17409), (5803, 13527), (7461, 10521)]