168678315

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 325140480

約数和(自身を除く): 156462165

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 223, 351, 431, 585, 669, 1115, 1293, 1755, 2007, 2155, 2899, 3345, 3879, 5603, 6021, 6465, 8697, 10035, 11637, 14495, 16809, 19395, 26091, 28015, 30105, 43485, 50427, 58185, 78273, 84045, 96113, 130455, 151281, 252135, 288339, 391365, 480565, 756405, 865017, 1249469, 1441695, 2595051, 3748407, 4325085, 6247345, 11245221, 12975255, 18742035, 33735663, 56226105, 168678315]

約数ペア:

[(1, 168678315), (3, 56226105), (5, 33735663), (9, 18742035), (13, 12975255), (15, 11245221), (27, 6247345), (39, 4325085), (45, 3748407), (65, 2595051), (117, 1441695), (135, 1249469), (195, 865017), (223, 756405), (351, 480565), (431, 391365), (585, 288339), (669, 252135), (1115, 151281), (1293, 130455), (1755, 96113), (2007, 84045), (2155, 78273), (2899, 58185), (3345, 50427), (3879, 43485), (5603, 30105), (6021, 28015), (6465, 26091), (8697, 19395), (10035, 16809), (11637, 14495)]