540981

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 925184

約数和(自身を除く): 384203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 277, 279, 651, 831, 1939, 1953, 2493, 5817, 8587, 17451, 25761, 60109, 77283, 180327, 540981]

約数ペア:

[(1, 540981), (3, 180327), (7, 77283), (9, 60109), (21, 25761), (31, 17451), (63, 8587), (93, 5817), (217, 2493), (277, 1953), (279, 1939), (651, 831)]