251269425

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 515919360

約数和(自身を除く): 264649935

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 43, 45, 55, 75, 99, 129, 135, 165, 215, 225, 275, 297, 387, 473, 495, 645, 675, 787, 825, 1075, 1161, 1419, 1485, 1935, 2361, 2365, 2475, 3225, 3935, 4257, 5805, 7083, 7095, 7425, 8657, 9675, 11805, 11825, 12771, 19675, 21249, 21285, 25971, 29025, 33841, 35415, 35475, 43285, 59025, 63855, 77913, 101523, 106245, 106425, 129855, 169205, 177075, 216425, 233739, 304569, 319275, 372251, 389565, 507615, 531225, 649275, 846025, 913707, 1116753, 1168695, 1522845, 1861255, 1947825, 2538075, 3350259, 4568535, 5583765, 5843475, 7614225, 9306275, 10050777, 16751295, 22842675, 27918825, 50253885, 83756475, 251269425]

約数ペア:

[(1, 251269425), (3, 83756475), (5, 50253885), (9, 27918825), (11, 22842675), (15, 16751295), (25, 10050777), (27, 9306275), (33, 7614225), (43, 5843475), (45, 5583765), (55, 4568535), (75, 3350259), (99, 2538075), (129, 1947825), (135, 1861255), (165, 1522845), (215, 1168695), (225, 1116753), (275, 913707), (297, 846025), (387, 649275), (473, 531225), (495, 507615), (645, 389565), (675, 372251), (787, 319275), (825, 304569), (1075, 233739), (1161, 216425), (1419, 177075), (1485, 169205), (1935, 129855), (2361, 106425), (2365, 106245), (2475, 101523), (3225, 77913), (3935, 63855), (4257, 59025), (5805, 43285), (7083, 35475), (7095, 35415), (7425, 33841), (8657, 29025), (9675, 25971), (11805, 21285), (11825, 21249), (12771, 19675)]