71366589

素因数分解:

$3^4\times 7^2\times {\mathrm{17981}}^1$

素因数の和:18007

約数の個数: 30

約数和(自身を含む): 124021854

約数和(自身を除く): 52655265

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 17981, 53943, 125867, 161829, 377601, 485487, 881069, 1132803, 1456461, 2643207, 3398409, 7929621, 10195227, 23788863, 71366589]

約数ペア:

[(1, 71366589), (3, 23788863), (7, 10195227), (9, 7929621), (21, 3398409), (27, 2643207), (49, 1456461), (63, 1132803), (81, 881069), (147, 485487), (189, 377601), (441, 161829), (567, 125867), (1323, 53943), (3969, 17981)]