218291283

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{27283}}^1$

素因数の和:27423

約数の個数: 24

約数和(自身を含む): 363204608

約数和(自身を除く): 144913325

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 27283, 81849, 190981, 245547, 572943, 1718829, 3464941, 10394823, 24254587, 31184469, 72763761, 218291283]

約数ペア:

[(1, 218291283), (3, 72763761), (7, 31184469), (9, 24254587), (21, 10394823), (63, 3464941), (127, 1718829), (381, 572943), (889, 245547), (1143, 190981), (2667, 81849), (8001, 27283)]