28289121

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3631}}^1$

素因数の和:3701

約数の個数: 24

約数和(自身を含む): 44717184

約数和(自身を除く): 16428063

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 3631, 7791, 10893, 25417, 76251, 177919, 192443, 533757, 577329, 1347101, 4041303, 9429707, 28289121]

約数ペア:

[(1, 28289121), (3, 9429707), (7, 4041303), (21, 1347101), (49, 577329), (53, 533757), (147, 192443), (159, 177919), (371, 76251), (1113, 25417), (2597, 10893), (3631, 7791)]