28127385

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 33804135

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 31, 33, 39, 45, 47, 55, 65, 93, 99, 117, 135, 141, 143, 155, 165, 195, 235, 279, 297, 341, 351, 403, 423, 429, 465, 495, 517, 585, 611, 705, 715, 837, 1023, 1209, 1269, 1287, 1395, 1457, 1485, 1551, 1705, 1755, 1833, 2015, 2115, 2145, 2585, 3055, 3069, 3627, 3861, 4185, 4371, 4433, 4653, 5115, 5499, 6045, 6345, 6435, 6721, 7285, 7755, 9165, 9207, 10881, 13113, 13299, 13959, 15345, 16027, 16497, 18135, 18941, 19305, 20163, 21855, 22165, 23265, 27495, 33605, 39339, 39897, 46035, 48081, 54405, 56823, 60489, 65565, 66495, 69795, 80135, 82485, 94705, 100815, 119691, 144243, 170469, 181467, 196695, 199485, 208351, 240405, 284115, 302445, 432729, 511407, 598455, 625053, 721215, 852345, 907335, 1041755, 1875159, 2163645, 2557035, 3125265, 5625477, 9375795, 28127385]

約数ペア:

[(1, 28127385), (3, 9375795), (5, 5625477), (9, 3125265), (11, 2557035), (13, 2163645), (15, 1875159), (27, 1041755), (31, 907335), (33, 852345), (39, 721215), (45, 625053), (47, 598455), (55, 511407), (65, 432729), (93, 302445), (99, 284115), (117, 240405), (135, 208351), (141, 199485), (143, 196695), (155, 181467), (165, 170469), (195, 144243), (235, 119691), (279, 100815), (297, 94705), (341, 82485), (351, 80135), (403, 69795), (423, 66495), (429, 65565), (465, 60489), (495, 56823), (517, 54405), (585, 48081), (611, 46035), (705, 39897), (715, 39339), (837, 33605), (1023, 27495), (1209, 23265), (1269, 22165), (1287, 21855), (1395, 20163), (1457, 19305), (1485, 18941), (1551, 18135), (1705, 16497), (1755, 16027), (1833, 15345), (2015, 13959), (2115, 13299), (2145, 13113), (2585, 10881), (3055, 9207), (3069, 9165), (3627, 7755), (3861, 7285), (4185, 6721), (4371, 6435), (4433, 6345), (4653, 6045), (5115, 5499)]