64461825

素因数分解:

$3^9\times 5^2\times {\mathrm{131}}^1$

素因数の和:168

約数の個数: 60

約数和(自身を含む): 120812208

約数和(自身を除く): 56350383

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 131, 135, 225, 243, 393, 405, 655, 675, 729, 1179, 1215, 1965, 2025, 2187, 3275, 3537, 3645, 5895, 6075, 6561, 9825, 10611, 10935, 17685, 18225, 19683, 29475, 31833, 32805, 53055, 54675, 88425, 95499, 98415, 159165, 164025, 265275, 286497, 477495, 492075, 795825, 859491, 1432485, 2387475, 2578473, 4297455, 7162425, 12892365, 21487275, 64461825]

約数ペア:

[(1, 64461825), (3, 21487275), (5, 12892365), (9, 7162425), (15, 4297455), (25, 2578473), (27, 2387475), (45, 1432485), (75, 859491), (81, 795825), (131, 492075), (135, 477495), (225, 286497), (243, 265275), (393, 164025), (405, 159165), (655, 98415), (675, 95499), (729, 88425), (1179, 54675), (1215, 53055), (1965, 32805), (2025, 31833), (2187, 29475), (3275, 19683), (3537, 18225), (3645, 17685), (5895, 10935), (6075, 10611), (6561, 9825)]