280051245

素因数分解:

$3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{11173}}^1$

素因数の和:11741

約数の個数: 24

約数和(自身を含む): 486337176

約数和(自身を除く): 206285931

約数列:

[1, 3, 5, 9, 15, 45, 557, 1671, 2785, 5013, 8355, 11173, 25065, 33519, 55865, 100557, 167595, 502785, 6223361, 18670083, 31116805, 56010249, 93350415, 280051245]

約数ペア:

[(1, 280051245), (3, 93350415), (5, 56010249), (9, 31116805), (15, 18670083), (45, 6223361), (557, 502785), (1671, 167595), (2785, 100557), (5013, 55865), (8355, 33519), (11173, 25065)]