61509375

素因数分解:

$3^9\times 5^5$

素因数の和:52

約数の個数: 60

約数和(自身を含む): 115320744

約数和(自身を除く): 53811369

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 625, 675, 729, 1125, 1215, 1875, 2025, 2187, 3125, 3375, 3645, 5625, 6075, 6561, 9375, 10125, 10935, 16875, 18225, 19683, 28125, 30375, 32805, 50625, 54675, 84375, 91125, 98415, 151875, 164025, 253125, 273375, 455625, 492075, 759375, 820125, 1366875, 2278125, 2460375, 4100625, 6834375, 12301875, 20503125, 61509375]

約数ペア:

[(1, 61509375), (3, 20503125), (5, 12301875), (9, 6834375), (15, 4100625), (25, 2460375), (27, 2278125), (45, 1366875), (75, 820125), (81, 759375), (125, 492075), (135, 455625), (225, 273375), (243, 253125), (375, 164025), (405, 151875), (625, 98415), (675, 91125), (729, 84375), (1125, 54675), (1215, 50625), (1875, 32805), (2025, 30375), (2187, 28125), (3125, 19683), (3375, 18225), (3645, 16875), (5625, 10935), (6075, 10125), (6561, 9375)]