321019713

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 559319040

約数和(自身を除く): 238299327

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 101, 189, 201, 251, 303, 469, 603, 707, 753, 909, 1407, 1757, 1809, 2121, 2259, 2727, 4221, 5271, 6363, 6767, 6777, 12663, 15813, 16817, 19089, 20301, 25351, 47369, 47439, 50451, 60903, 76053, 117719, 142107, 151353, 177457, 182709, 228159, 353157, 426321, 454059, 532371, 684477, 1059471, 1278963, 1597113, 1698517, 3178413, 4791339, 5095551, 11889619, 15286653, 35668857, 45859959, 107006571, 321019713]

約数ペア:

[(1, 321019713), (3, 107006571), (7, 45859959), (9, 35668857), (21, 15286653), (27, 11889619), (63, 5095551), (67, 4791339), (101, 3178413), (189, 1698517), (201, 1597113), (251, 1278963), (303, 1059471), (469, 684477), (603, 532371), (707, 454059), (753, 426321), (909, 353157), (1407, 228159), (1757, 182709), (1809, 177457), (2121, 151353), (2259, 142107), (2727, 117719), (4221, 76053), (5271, 60903), (6363, 50451), (6767, 47439), (6777, 47369), (12663, 25351), (15813, 20301), (16817, 19089)]