8009865

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 14826240

約数和(自身を除く): 6816375

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 109, 115, 207, 213, 327, 345, 355, 545, 639, 981, 1035, 1065, 1633, 1635, 2507, 3195, 4899, 4905, 7521, 7739, 8165, 12535, 14697, 22563, 23217, 24495, 37605, 38695, 69651, 73485, 112815, 116085, 177997, 348255, 533991, 889985, 1601973, 2669955, 8009865]

約数ペア:

[(1, 8009865), (3, 2669955), (5, 1601973), (9, 889985), (15, 533991), (23, 348255), (45, 177997), (69, 116085), (71, 112815), (109, 73485), (115, 69651), (207, 38695), (213, 37605), (327, 24495), (345, 23217), (355, 22563), (545, 14697), (639, 12535), (981, 8165), (1035, 7739), (1065, 7521), (1633, 4905), (1635, 4899), (2507, 3195)]