3125025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 6383520

約数和(自身を除く): 3258495

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 43, 45, 51, 57, 75, 85, 95, 129, 153, 171, 215, 225, 255, 285, 323, 387, 425, 475, 645, 731, 765, 817, 855, 969, 1075, 1275, 1425, 1615, 1935, 2193, 2451, 2907, 3225, 3655, 3825, 4085, 4275, 4845, 6579, 7353, 8075, 9675, 10965, 12255, 13889, 14535, 18275, 20425, 24225, 32895, 36765, 41667, 54825, 61275, 69445, 72675, 125001, 164475, 183825, 208335, 347225, 625005, 1041675, 3125025]

約数ペア:

[(1, 3125025), (3, 1041675), (5, 625005), (9, 347225), (15, 208335), (17, 183825), (19, 164475), (25, 125001), (43, 72675), (45, 69445), (51, 61275), (57, 54825), (75, 41667), (85, 36765), (95, 32895), (129, 24225), (153, 20425), (171, 18275), (215, 14535), (225, 13889), (255, 12255), (285, 10965), (323, 9675), (387, 8075), (425, 7353), (475, 6579), (645, 4845), (731, 4275), (765, 4085), (817, 3825), (855, 3655), (969, 3225), (1075, 2907), (1275, 2451), (1425, 2193), (1615, 1935)]