28368351

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 19199169

約数列:

[1, 3, 9, 11, 29, 33, 41, 87, 99, 123, 241, 261, 319, 369, 451, 723, 957, 1189, 1353, 2169, 2651, 2871, 3567, 4059, 6989, 7953, 9881, 10701, 13079, 20967, 23859, 29643, 39237, 62901, 76879, 88929, 108691, 117711, 230637, 286549, 326073, 691911, 859647, 978219, 2578941, 3152039, 9456117, 28368351]

約数ペア:

[(1, 28368351), (3, 9456117), (9, 3152039), (11, 2578941), (29, 978219), (33, 859647), (41, 691911), (87, 326073), (99, 286549), (123, 230637), (241, 117711), (261, 108691), (319, 88929), (369, 76879), (451, 62901), (723, 39237), (957, 29643), (1189, 23859), (1353, 20967), (2169, 13079), (2651, 10701), (2871, 9881), (3567, 7953), (4059, 6989)]