71304219

素因数分解:

$3^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 56

約数和(自身を含む): 124339680

約数和(自身を除く): 53035461

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 157, 189, 243, 267, 471, 567, 623, 729, 801, 1099, 1413, 1701, 1869, 2403, 3297, 4239, 5103, 5607, 7209, 9891, 12717, 13973, 16821, 21627, 29673, 38151, 41919, 50463, 64881, 89019, 97811, 114453, 125757, 151389, 267057, 293433, 377271, 454167, 801171, 880299, 1131813, 2640897, 3395439, 7922691, 10186317, 23768073, 71304219]

約数ペア:

[(1, 71304219), (3, 23768073), (7, 10186317), (9, 7922691), (21, 3395439), (27, 2640897), (63, 1131813), (81, 880299), (89, 801171), (157, 454167), (189, 377271), (243, 293433), (267, 267057), (471, 151389), (567, 125757), (623, 114453), (729, 97811), (801, 89019), (1099, 64881), (1413, 50463), (1701, 41919), (1869, 38151), (2403, 29673), (3297, 21627), (4239, 16821), (5103, 13973), (5607, 12717), (7209, 9891)]