254330385

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 412446720

約数和(自身を除く): 158116335

約数列:

[1, 3, 5, 15, 139, 223, 417, 547, 669, 695, 1115, 1641, 2085, 2735, 3345, 8205, 30997, 76033, 92991, 121981, 154985, 228099, 365943, 380165, 464955, 609905, 1140495, 1829715, 16955359, 50866077, 84776795, 254330385]

約数ペア:

[(1, 254330385), (3, 84776795), (5, 50866077), (15, 16955359), (139, 1829715), (223, 1140495), (417, 609905), (547, 464955), (669, 380165), (695, 365943), (1115, 228099), (1641, 154985), (2085, 121981), (2735, 92991), (3345, 76033), (8205, 30997)]