28447173

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 16135227

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 773, 783, 1269, 1363, 2319, 4089, 6957, 12267, 20871, 22417, 36331, 36801, 67251, 108993, 201753, 326979, 605259, 980937, 1053599, 3160797, 9482391, 28447173]

約数ペア:

[(1, 28447173), (3, 9482391), (9, 3160797), (27, 1053599), (29, 980937), (47, 605259), (87, 326979), (141, 201753), (261, 108993), (423, 67251), (773, 36801), (783, 36331), (1269, 22417), (1363, 20871), (2319, 12267), (4089, 6957)]