25943895

素因数分解:

$3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 47279232

約数和(自身を除く): 21335337

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 163, 243, 393, 405, 489, 655, 815, 1179, 1215, 1467, 1965, 2445, 3537, 4401, 5895, 7335, 10611, 13203, 17685, 21353, 22005, 31833, 39609, 53055, 64059, 66015, 106765, 159165, 192177, 198045, 320295, 576531, 960885, 1729593, 2882655, 5188779, 8647965, 25943895]

約数ペア:

[(1, 25943895), (3, 8647965), (5, 5188779), (9, 2882655), (15, 1729593), (27, 960885), (45, 576531), (81, 320295), (131, 198045), (135, 192177), (163, 159165), (243, 106765), (393, 66015), (405, 64059), (489, 53055), (655, 39609), (815, 31833), (1179, 22005), (1215, 21353), (1467, 17685), (1965, 13203), (2445, 10611), (3537, 7335), (4401, 5895)]