81386055

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 150418944

約数和(自身を除く): 69032889

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 191, 255, 557, 573, 765, 955, 1671, 1719, 2785, 2865, 3247, 5013, 8355, 8595, 9469, 9741, 16235, 25065, 28407, 29223, 47345, 48705, 85221, 106387, 142035, 146115, 319161, 426105, 531935, 957483, 1595805, 1808579, 4787415, 5425737, 9042895, 16277211, 27128685, 81386055]

約数ペア:

[(1, 81386055), (3, 27128685), (5, 16277211), (9, 9042895), (15, 5425737), (17, 4787415), (45, 1808579), (51, 1595805), (85, 957483), (153, 531935), (191, 426105), (255, 319161), (557, 146115), (573, 142035), (765, 106387), (955, 85221), (1671, 48705), (1719, 47345), (2785, 29223), (2865, 28407), (3247, 25065), (5013, 16235), (8355, 9741), (8595, 9469)]