8172945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 16598400

約数和(自身を除く): 8425455

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 79, 95, 99, 121, 165, 171, 209, 237, 285, 363, 395, 495, 605, 627, 711, 855, 869, 1045, 1089, 1185, 1501, 1815, 1881, 2299, 2607, 3135, 3555, 4345, 4503, 5445, 6897, 7505, 7821, 9405, 9559, 11495, 13035, 13509, 16511, 20691, 22515, 28677, 34485, 39105, 47795, 49533, 67545, 82555, 86031, 103455, 143385, 148599, 181621, 247665, 430155, 544863, 742995, 908105, 1634589, 2724315, 8172945]

約数ペア:

[(1, 8172945), (3, 2724315), (5, 1634589), (9, 908105), (11, 742995), (15, 544863), (19, 430155), (33, 247665), (45, 181621), (55, 148599), (57, 143385), (79, 103455), (95, 86031), (99, 82555), (121, 67545), (165, 49533), (171, 47795), (209, 39105), (237, 34485), (285, 28677), (363, 22515), (395, 20691), (495, 16511), (605, 13509), (627, 13035), (711, 11495), (855, 9559), (869, 9405), (1045, 7821), (1089, 7505), (1185, 6897), (1501, 5445), (1815, 4503), (1881, 4345), (2299, 3555), (2607, 3135)]