51311295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 108501120

約数和(自身を除く): 57189825

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 41, 45, 63, 87, 105, 123, 137, 145, 203, 205, 261, 287, 315, 369, 411, 435, 609, 615, 685, 861, 959, 1015, 1189, 1233, 1305, 1435, 1827, 1845, 2055, 2583, 2877, 3045, 3567, 3973, 4305, 4795, 5617, 5945, 6165, 8323, 8631, 9135, 10701, 11919, 12915, 14385, 16851, 17835, 19865, 24969, 27811, 28085, 35757, 39319, 41615, 43155, 50553, 53505, 59595, 74907, 83433, 84255, 117957, 124845, 139055, 162893, 178785, 196595, 250299, 252765, 353871, 374535, 417165, 488679, 589785, 814465, 1140251, 1251495, 1466037, 1769355, 2443395, 3420753, 5701255, 7330185, 10262259, 17103765, 51311295]

約数ペア:

[(1, 51311295), (3, 17103765), (5, 10262259), (7, 7330185), (9, 5701255), (15, 3420753), (21, 2443395), (29, 1769355), (35, 1466037), (41, 1251495), (45, 1140251), (63, 814465), (87, 589785), (105, 488679), (123, 417165), (137, 374535), (145, 353871), (203, 252765), (205, 250299), (261, 196595), (287, 178785), (315, 162893), (369, 139055), (411, 124845), (435, 117957), (609, 84255), (615, 83433), (685, 74907), (861, 59595), (959, 53505), (1015, 50553), (1189, 43155), (1233, 41615), (1305, 39319), (1435, 35757), (1827, 28085), (1845, 27811), (2055, 24969), (2583, 19865), (2877, 17835), (3045, 16851), (3567, 14385), (3973, 12915), (4305, 11919), (4795, 10701), (5617, 9135), (5945, 8631), (6165, 8323)]