28070973

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1274

約数の個数: 36

約数和(自身を含む): 48096828

約数和(自身を除く): 20025855

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 1201, 2597, 3339, 3603, 7791, 8407, 10809, 23373, 25221, 58849, 63653, 75663, 176547, 190959, 445571, 529641, 572877, 1336713, 3118997, 4010139, 9356991, 28070973]

約数ペア:

[(1, 28070973), (3, 9356991), (7, 4010139), (9, 3118997), (21, 1336713), (49, 572877), (53, 529641), (63, 445571), (147, 190959), (159, 176547), (371, 75663), (441, 63653), (477, 58849), (1113, 25221), (1201, 23373), (2597, 10809), (3339, 8407), (3603, 7791)]