28713465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 59304960

約数和(自身を除く): 30591495

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 43, 45, 55, 57, 71, 95, 99, 129, 165, 171, 209, 213, 215, 285, 355, 387, 473, 495, 627, 639, 645, 781, 817, 855, 1045, 1065, 1349, 1419, 1881, 1935, 2343, 2365, 2451, 3053, 3135, 3195, 3905, 4047, 4085, 4257, 6745, 7029, 7095, 7353, 8987, 9159, 9405, 11715, 12141, 12255, 14839, 15265, 20235, 21285, 26961, 27477, 33583, 35145, 36765, 44517, 44935, 45795, 58007, 60705, 74195, 80883, 100749, 133551, 134805, 137385, 167915, 174021, 222585, 290035, 302247, 404415, 503745, 522063, 638077, 667755, 870105, 1511235, 1914231, 2610315, 3190385, 5742693, 9571155, 28713465]

約数ペア:

[(1, 28713465), (3, 9571155), (5, 5742693), (9, 3190385), (11, 2610315), (15, 1914231), (19, 1511235), (33, 870105), (43, 667755), (45, 638077), (55, 522063), (57, 503745), (71, 404415), (95, 302247), (99, 290035), (129, 222585), (165, 174021), (171, 167915), (209, 137385), (213, 134805), (215, 133551), (285, 100749), (355, 80883), (387, 74195), (473, 60705), (495, 58007), (627, 45795), (639, 44935), (645, 44517), (781, 36765), (817, 35145), (855, 33583), (1045, 27477), (1065, 26961), (1349, 21285), (1419, 20235), (1881, 15265), (1935, 14839), (2343, 12255), (2365, 12141), (2451, 11715), (3053, 9405), (3135, 9159), (3195, 8987), (3905, 7353), (4047, 7095), (4085, 7029), (4257, 6745)]