17831025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 34754720

約数和(自身を除く): 16923695

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 97, 129, 171, 215, 225, 285, 291, 387, 475, 485, 645, 817, 855, 873, 1075, 1425, 1455, 1843, 1935, 2425, 2451, 3225, 4085, 4171, 4275, 4365, 5529, 7275, 7353, 9215, 9675, 12255, 12513, 16587, 20425, 20855, 21825, 27645, 36765, 37539, 46075, 61275, 62565, 79249, 82935, 104275, 138225, 183825, 187695, 237747, 312825, 396245, 414675, 713241, 938475, 1188735, 1981225, 3566205, 5943675, 17831025]

約数ペア:

[(1, 17831025), (3, 5943675), (5, 3566205), (9, 1981225), (15, 1188735), (19, 938475), (25, 713241), (43, 414675), (45, 396245), (57, 312825), (75, 237747), (95, 187695), (97, 183825), (129, 138225), (171, 104275), (215, 82935), (225, 79249), (285, 62565), (291, 61275), (387, 46075), (475, 37539), (485, 36765), (645, 27645), (817, 21825), (855, 20855), (873, 20425), (1075, 16587), (1425, 12513), (1455, 12255), (1843, 9675), (1935, 9215), (2425, 7353), (2451, 7275), (3225, 5529), (4085, 4365), (4171, 4275)]