71980731

素因数分解:

$3^{10}\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 44

約数和(自身を含む): 114790608

約数和(自身を除く): 42809877

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 159, 207, 243, 477, 621, 729, 1219, 1431, 1863, 2187, 3657, 4293, 5589, 6561, 10971, 12879, 16767, 19683, 32913, 38637, 50301, 59049, 98739, 115911, 150903, 296217, 347733, 452709, 888651, 1043199, 1358127, 2665953, 3129597, 7997859, 23993577, 71980731]

約数ペア:

[(1, 71980731), (3, 23993577), (9, 7997859), (23, 3129597), (27, 2665953), (53, 1358127), (69, 1043199), (81, 888651), (159, 452709), (207, 347733), (243, 296217), (477, 150903), (621, 115911), (729, 98739), (1219, 59049), (1431, 50301), (1863, 38637), (2187, 32913), (3657, 19683), (4293, 16767), (5589, 12879), (6561, 10971)]