7938945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 16711680

約数和(自身を除く): 8772735

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 93, 105, 135, 155, 189, 217, 271, 279, 315, 465, 651, 813, 837, 945, 1085, 1355, 1395, 1897, 1953, 2439, 3255, 4065, 4185, 5691, 5859, 7317, 8401, 9485, 9765, 12195, 17073, 25203, 28455, 29295, 36585, 42005, 51219, 58807, 75609, 85365, 126015, 176421, 226827, 256095, 294035, 378045, 529263, 882105, 1134135, 1587789, 2646315, 7938945]

約数ペア:

[(1, 7938945), (3, 2646315), (5, 1587789), (7, 1134135), (9, 882105), (15, 529263), (21, 378045), (27, 294035), (31, 256095), (35, 226827), (45, 176421), (63, 126015), (93, 85365), (105, 75609), (135, 58807), (155, 51219), (189, 42005), (217, 36585), (271, 29295), (279, 28455), (315, 25203), (465, 17073), (651, 12195), (813, 9765), (837, 9485), (945, 8401), (1085, 7317), (1355, 5859), (1395, 5691), (1897, 4185), (1953, 4065), (2439, 3255)]