81337725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1267

約数の個数: 72

約数和(自身を含む): 170510912

約数和(自身を除く): 89173187

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 129, 175, 215, 225, 301, 315, 387, 525, 645, 903, 1075, 1201, 1505, 1575, 1935, 2709, 3225, 3603, 4515, 6005, 7525, 8407, 9675, 10809, 13545, 18015, 22575, 25221, 30025, 42035, 51643, 54045, 67725, 75663, 90075, 126105, 154929, 210175, 258215, 270225, 361501, 378315, 464787, 630525, 774645, 1084503, 1291075, 1807505, 1891575, 2323935, 3253509, 3873225, 5422515, 9037525, 11619675, 16267545, 27112575, 81337725]

約数ペア:

[(1, 81337725), (3, 27112575), (5, 16267545), (7, 11619675), (9, 9037525), (15, 5422515), (21, 3873225), (25, 3253509), (35, 2323935), (43, 1891575), (45, 1807505), (63, 1291075), (75, 1084503), (105, 774645), (129, 630525), (175, 464787), (215, 378315), (225, 361501), (301, 270225), (315, 258215), (387, 210175), (525, 154929), (645, 126105), (903, 90075), (1075, 75663), (1201, 67725), (1505, 54045), (1575, 51643), (1935, 42035), (2709, 30025), (3225, 25221), (3603, 22575), (4515, 18015), (6005, 13545), (7525, 10809), (8407, 9675)]