28985901

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1698

約数の個数: 32

約数和(自身を含む): 47750400

約数和(自身を除く): 18764499

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1657, 2499, 4971, 5831, 11599, 17493, 28169, 34797, 81193, 84507, 197183, 243579, 568351, 591549, 1380281, 1705053, 4140843, 9661967, 28985901]

約数ペア:

[(1, 28985901), (3, 9661967), (7, 4140843), (17, 1705053), (21, 1380281), (49, 591549), (51, 568351), (119, 243579), (147, 197183), (343, 84507), (357, 81193), (833, 34797), (1029, 28169), (1657, 17493), (2499, 11599), (4971, 5831)]