28281249

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 41733120

約数和(自身を除く): 13451871

約数列:

[1, 3, 9, 109, 127, 227, 327, 381, 681, 981, 1143, 2043, 13843, 24743, 28829, 41529, 74229, 86487, 124587, 222687, 259461, 3142361, 9427083, 28281249]

約数ペア:

[(1, 28281249), (3, 9427083), (9, 3142361), (109, 259461), (127, 222687), (227, 124587), (327, 86487), (381, 74229), (681, 41529), (981, 28829), (1143, 24743), (2043, 13843)]