1213245

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 2534400

約数和(自身を除く): 1321155

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 43, 45, 55, 57, 95, 99, 129, 135, 165, 171, 209, 215, 285, 297, 387, 473, 495, 513, 627, 645, 817, 855, 1045, 1161, 1419, 1485, 1881, 1935, 2365, 2451, 2565, 3135, 4085, 4257, 5643, 5805, 7095, 7353, 8987, 9405, 12255, 12771, 21285, 22059, 26961, 28215, 36765, 44935, 63855, 80883, 110295, 134805, 242649, 404415, 1213245]

約数ペア:

[(1, 1213245), (3, 404415), (5, 242649), (9, 134805), (11, 110295), (15, 80883), (19, 63855), (27, 44935), (33, 36765), (43, 28215), (45, 26961), (55, 22059), (57, 21285), (95, 12771), (99, 12255), (129, 9405), (135, 8987), (165, 7353), (171, 7095), (209, 5805), (215, 5643), (285, 4257), (297, 4085), (387, 3135), (473, 2565), (495, 2451), (513, 2365), (627, 1935), (645, 1881), (817, 1485), (855, 1419), (1045, 1161)]