42831225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 82985760

約数和(自身を除く): 40154535

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 171, 215, 225, 233, 285, 387, 475, 645, 699, 817, 855, 1075, 1165, 1425, 1935, 2097, 2451, 3225, 3495, 4085, 4275, 4427, 5825, 7353, 9675, 10019, 10485, 12255, 13281, 17475, 20425, 22135, 30057, 36765, 39843, 50095, 52425, 61275, 66405, 90171, 110675, 150285, 183825, 190361, 199215, 250475, 332025, 450855, 571083, 751425, 951805, 996075, 1713249, 2254275, 2855415, 4759025, 8566245, 14277075, 42831225]

約数ペア:

[(1, 42831225), (3, 14277075), (5, 8566245), (9, 4759025), (15, 2855415), (19, 2254275), (25, 1713249), (43, 996075), (45, 951805), (57, 751425), (75, 571083), (95, 450855), (129, 332025), (171, 250475), (215, 199215), (225, 190361), (233, 183825), (285, 150285), (387, 110675), (475, 90171), (645, 66405), (699, 61275), (817, 52425), (855, 50095), (1075, 39843), (1165, 36765), (1425, 30057), (1935, 22135), (2097, 20425), (2451, 17475), (3225, 13281), (3495, 12255), (4085, 10485), (4275, 10019), (4427, 9675), (5825, 7353)]