51581475

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6947}}^1$

素因数の和:6977

約数の個数: 48

約数和(自身を含む): 103386240

約数和(自身を除く): 51804765

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 6947, 7425, 20841, 34735, 62523, 76417, 104205, 173675, 187569, 229251, 312615, 382085, 521025, 687753, 937845, 1146255, 1563075, 1910425, 2063259, 3438765, 4689225, 5731275, 10316295, 17193825, 51581475]

約数ペア:

[(1, 51581475), (3, 17193825), (5, 10316295), (9, 5731275), (11, 4689225), (15, 3438765), (25, 2063259), (27, 1910425), (33, 1563075), (45, 1146255), (55, 937845), (75, 687753), (99, 521025), (135, 382085), (165, 312615), (225, 229251), (275, 187569), (297, 173675), (495, 104205), (675, 76417), (825, 62523), (1485, 34735), (2475, 20841), (6947, 7425)]