13621575

素因数分解:

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

素因数の和:133

約数の個数: 72

約数和(自身を含む): 26387200

約数和(自身を除く): 12765625

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 79, 95, 121, 165, 209, 237, 275, 285, 363, 395, 475, 605, 627, 825, 869, 1045, 1185, 1425, 1501, 1815, 1975, 2299, 2607, 3025, 3135, 4345, 4503, 5225, 5925, 6897, 7505, 9075, 9559, 11495, 13035, 15675, 16511, 21725, 22515, 28677, 34485, 37525, 47795, 49533, 57475, 65175, 82555, 112575, 143385, 172425, 181621, 238975, 247665, 412775, 544863, 716925, 908105, 1238325, 2724315, 4540525, 13621575]

約数ペア:

[(1, 13621575), (3, 4540525), (5, 2724315), (11, 1238325), (15, 908105), (19, 716925), (25, 544863), (33, 412775), (55, 247665), (57, 238975), (75, 181621), (79, 172425), (95, 143385), (121, 112575), (165, 82555), (209, 65175), (237, 57475), (275, 49533), (285, 47795), (363, 37525), (395, 34485), (475, 28677), (605, 22515), (627, 21725), (825, 16511), (869, 15675), (1045, 13035), (1185, 11495), (1425, 9559), (1501, 9075), (1815, 7505), (1975, 6897), (2299, 5925), (2607, 5225), (3025, 4503), (3135, 4345)]