91027775

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 123111912

約数和(自身を除く): 32084137

約数列:

[1, 5, 17, 25, 43, 85, 215, 289, 293, 425, 731, 1075, 1445, 1465, 3655, 4981, 7225, 7325, 12427, 12599, 18275, 24905, 62135, 62995, 84677, 124525, 214183, 310675, 314975, 423385, 1070915, 2116925, 3641111, 5354575, 18205555, 91027775]

約数ペア:

[(1, 91027775), (5, 18205555), (17, 5354575), (25, 3641111), (43, 2116925), (85, 1070915), (215, 423385), (289, 314975), (293, 310675), (425, 214183), (731, 124525), (1075, 84677), (1445, 62995), (1465, 62135), (3655, 24905), (4981, 18275), (7225, 12599), (7325, 12427)]