15625125

素因数分解:

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

素因数の和:100

約数の個数: 96

約数和(自身を含む): 32123520

約数和(自身を除く): 16498395

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 43, 45, 51, 57, 75, 85, 95, 125, 129, 153, 171, 215, 225, 255, 285, 323, 375, 387, 425, 475, 645, 731, 765, 817, 855, 969, 1075, 1125, 1275, 1425, 1615, 1935, 2125, 2193, 2375, 2451, 2907, 3225, 3655, 3825, 4085, 4275, 4845, 5375, 6375, 6579, 7125, 7353, 8075, 9675, 10965, 12255, 13889, 14535, 16125, 18275, 19125, 20425, 21375, 24225, 32895, 36765, 40375, 41667, 48375, 54825, 61275, 69445, 72675, 91375, 102125, 121125, 125001, 164475, 183825, 208335, 274125, 306375, 347225, 363375, 625005, 822375, 919125, 1041675, 1736125, 3125025, 5208375, 15625125]

約数ペア:

[(1, 15625125), (3, 5208375), (5, 3125025), (9, 1736125), (15, 1041675), (17, 919125), (19, 822375), (25, 625005), (43, 363375), (45, 347225), (51, 306375), (57, 274125), (75, 208335), (85, 183825), (95, 164475), (125, 125001), (129, 121125), (153, 102125), (171, 91375), (215, 72675), (225, 69445), (255, 61275), (285, 54825), (323, 48375), (375, 41667), (387, 40375), (425, 36765), (475, 32895), (645, 24225), (731, 21375), (765, 20425), (817, 19125), (855, 18275), (969, 16125), (1075, 14535), (1125, 13889), (1275, 12255), (1425, 10965), (1615, 9675), (1935, 8075), (2125, 7353), (2193, 7125), (2375, 6579), (2451, 6375), (2907, 5375), (3225, 4845), (3655, 4275), (3825, 4085)]