85287789

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 138225600

約数和(自身を除く): 52937811

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 173, 279, 513, 519, 589, 837, 961, 1557, 1767, 2883, 3287, 4671, 5301, 5363, 8649, 9861, 15903, 16089, 18259, 25947, 29583, 48267, 54777, 88749, 101897, 144801, 164331, 166253, 305691, 492993, 498759, 917073, 1496277, 2751219, 3158807, 4488831, 9476421, 28429263, 85287789]

約数ペア:

[(1, 85287789), (3, 28429263), (9, 9476421), (19, 4488831), (27, 3158807), (31, 2751219), (57, 1496277), (93, 917073), (171, 498759), (173, 492993), (279, 305691), (513, 166253), (519, 164331), (589, 144801), (837, 101897), (961, 88749), (1557, 54777), (1767, 48267), (2883, 29583), (3287, 25947), (4671, 18259), (5301, 16089), (5363, 15903), (8649, 9861)]