23840025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 45122112

約数和(自身を除く): 21282087

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 71, 75, 111, 121, 165, 185, 213, 275, 355, 363, 407, 555, 605, 781, 825, 925, 1065, 1221, 1775, 1815, 2035, 2343, 2627, 2775, 3025, 3905, 4477, 5325, 6105, 7881, 8591, 9075, 10175, 11715, 13135, 13431, 19525, 22385, 25773, 28897, 30525, 39405, 42955, 58575, 65675, 67155, 86691, 111925, 128865, 144485, 197025, 214775, 317867, 335775, 433455, 644325, 722425, 953601, 1589335, 2167275, 4768005, 7946675, 23840025]

約数ペア:

[(1, 23840025), (3, 7946675), (5, 4768005), (11, 2167275), (15, 1589335), (25, 953601), (33, 722425), (37, 644325), (55, 433455), (71, 335775), (75, 317867), (111, 214775), (121, 197025), (165, 144485), (185, 128865), (213, 111925), (275, 86691), (355, 67155), (363, 65675), (407, 58575), (555, 42955), (605, 39405), (781, 30525), (825, 28897), (925, 25773), (1065, 22385), (1221, 19525), (1775, 13431), (1815, 13135), (2035, 11715), (2343, 10175), (2627, 9075), (2775, 8591), (3025, 7881), (3905, 6105), (4477, 5325)]