919125

素因数分解:

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

素因数の和:83

約数の個数: 48

約数和(自身を含む): 1784640

約数和(自身を除く): 865515

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 125, 129, 171, 215, 225, 285, 375, 387, 475, 645, 817, 855, 1075, 1125, 1425, 1935, 2375, 2451, 3225, 4085, 4275, 5375, 7125, 7353, 9675, 12255, 16125, 20425, 21375, 36765, 48375, 61275, 102125, 183825, 306375, 919125]

約数ペア:

[(1, 919125), (3, 306375), (5, 183825), (9, 102125), (15, 61275), (19, 48375), (25, 36765), (43, 21375), (45, 20425), (57, 16125), (75, 12255), (95, 9675), (125, 7353), (129, 7125), (171, 5375), (215, 4275), (225, 4085), (285, 3225), (375, 2451), (387, 2375), (475, 1935), (645, 1425), (817, 1125), (855, 1075)]