71819775

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{8627}}^1$

素因数の和:8680

約数の個数: 36

約数和(自身を含む): 132129192

約数和(自身を除く): 60309417

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 8325, 8627, 25881, 43135, 77643, 129405, 215675, 319199, 388215, 647025, 957597, 1595995, 1941075, 2872791, 4787985, 7979975, 14363955, 23939925, 71819775]

約数ペア:

[(1, 71819775), (3, 23939925), (5, 14363955), (9, 7979975), (15, 4787985), (25, 2872791), (37, 1941075), (45, 1595995), (75, 957597), (111, 647025), (185, 388215), (225, 319199), (333, 215675), (555, 129405), (925, 77643), (1665, 43135), (2775, 25881), (8325, 8627)]