30816765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 64666368

約数和(自身を除く): 33849603

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 271, 285, 315, 361, 399, 665, 813, 855, 1083, 1197, 1355, 1805, 1897, 1995, 2439, 2527, 3249, 4065, 5149, 5415, 5691, 5985, 7581, 9485, 12195, 12635, 15447, 16245, 17073, 22743, 25745, 28455, 36043, 37905, 46341, 77235, 85365, 97831, 108129, 113715, 180215, 231705, 293493, 324387, 489155, 540645, 684817, 880479, 1467465, 1621935, 2054451, 3424085, 4402395, 6163353, 10272255, 30816765]

約数ペア:

[(1, 30816765), (3, 10272255), (5, 6163353), (7, 4402395), (9, 3424085), (15, 2054451), (19, 1621935), (21, 1467465), (35, 880479), (45, 684817), (57, 540645), (63, 489155), (95, 324387), (105, 293493), (133, 231705), (171, 180215), (271, 113715), (285, 108129), (315, 97831), (361, 85365), (399, 77235), (665, 46341), (813, 37905), (855, 36043), (1083, 28455), (1197, 25745), (1355, 22743), (1805, 17073), (1897, 16245), (1995, 15447), (2439, 12635), (2527, 12195), (3249, 9485), (4065, 7581), (5149, 5985), (5415, 5691)]